C1 ESTERASE INHIBITOR

LAB3739

Collect

Serum separator tube, pink (K2EDTA), or green (lithium heparin).

Patient Preparation

For patients receiving therapy with high biotin doses (e.g. greater than 5 mg/day), specimen should not be drawn until at least 8 hours after the last biotin administration.

Specimen Preparation

Allow serum separator tube to sit for 15-20 minutes at room temperature for proper clot formation. Centrifuge and separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Unacceptable Conditions

Hemolyzed specimens.

Storage/Transport Temperature

Frozen.

Stability (from collection to initiation)

After separation from cells: Ambient: 4 hours; Refrigerated: 8 hours; Frozen: 3 months

Performed

Tue, Thu, Sat

Methodology

Quantitative Electrochemiluminescent Immunoassay

Reported

1-4 days

Synonyms

  • Beta-Cross-Linked Serum
  • C-Telopeptide, Serum
  • LAB3739
  • CTX

Additional Technical Information

Ordering Recommendations

Preferred test to measure bone resorption and monitor response to antiresorptive therapy (eg, bisphosphonates, hormone replacement therapy) in postmenopausal women and individuals with osteoporosis.

Reference Interval

Effective November 14, 2011
Age
Female
Male
6 months-6 years500-1800 pg/mL500-1700 pg/mL
7-9 years566-1690 pg/mL522-1682 pg/mL
10-12 years503-2077 pg/mL553-2071 pg/mL
13-15 years160-1590 pg/mL485-2468  pg/mL
16-17 years167-933 pg/mL276-1546 pg/mL
18-29 years64-640 pg/mL87-1200 pg/mL
30-39 years60-650 pg/mL70-780 pg/mL
40-49 years40-465 pg/mL60-700 pg/mL
50-69 years 40-840 pg/mL
70 years or greater 52-847 pg/mL
Postmenopausal104-1008 pg/mL

CPT Codes

82523
Collection

LAB3739

Collect

Serum separator tube, pink (K2EDTA), or green (lithium heparin).

Patient Preparation

For patients receiving therapy with high biotin doses (e.g. greater than 5 mg/day), specimen should not be drawn until at least 8 hours after the last biotin administration.

Specimen Preparation

Allow serum separator tube to sit for 15-20 minutes at room temperature for proper clot formation. Centrifuge and separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Unacceptable Conditions

Hemolyzed specimens.

Storage/Transport Temperature

Frozen.

Stability (from collection to initiation)

After separation from cells: Ambient: 4 hours; Refrigerated: 8 hours; Frozen: 3 months
Ordering

Performed

Tue, Thu, Sat

Methodology

Quantitative Electrochemiluminescent Immunoassay

Reported

1-4 days

Synonyms

  • Beta-Cross-Linked Serum
  • C-Telopeptide, Serum
  • LAB3739
  • CTX

Additional Technical Information

Ordering Recommendations

Preferred test to measure bone resorption and monitor response to antiresorptive therapy (eg, bisphosphonates, hormone replacement therapy) in postmenopausal women and individuals with osteoporosis.
Result Interpretation

Reference Interval

Effective November 14, 2011
Age
Female
Male
6 months-6 years500-1800 pg/mL500-1700 pg/mL
7-9 years566-1690 pg/mL522-1682 pg/mL
10-12 years503-2077 pg/mL553-2071 pg/mL
13-15 years160-1590 pg/mL485-2468  pg/mL
16-17 years167-933 pg/mL276-1546 pg/mL
18-29 years64-640 pg/mL87-1200 pg/mL
30-39 years60-650 pg/mL70-780 pg/mL
40-49 years40-465 pg/mL60-700 pg/mL
50-69 years 40-840 pg/mL
70 years or greater 52-847 pg/mL
Postmenopausal104-1008 pg/mL

Administrative

CPT Codes

82523

C1 ESTERASE INHIBITOR FUNCT

LAB769

Collect

Serum separator tube, lavender (EDTA), or pink (K2EDTA).

Specimen Preparation

Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.1 mL)

Unacceptable Conditions

Non-frozen specimens.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks

Performed

Sun, Wed, Fri

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-4 days

Synonyms

  • LAB769

Ordering Recommendations

Aids in diagnosis of hereditary angioedema and monitoring response to therapy.

Reference Interval

68% or greater: Normal
41-67%: Indeterminate
40% or less: Abnormal

CPT Codes

86161
Collection

LAB769

Collect

Serum separator tube, lavender (EDTA), or pink (K2EDTA).

Specimen Preparation

Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.1 mL)

Unacceptable Conditions

Non-frozen specimens.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks
Ordering

Performed

Sun, Wed, Fri

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-4 days

Synonyms

  • LAB769

Ordering Recommendations

Aids in diagnosis of hereditary angioedema and monitoring response to therapy.
Result Interpretation

Reference Interval

68% or greater: Normal
41-67%: Indeterminate
40% or less: Abnormal
Administrative

CPT Codes

86161

C1Q ANTIBODY

LAB769

Collect

Serum separator tube, lavender (EDTA), or pink (K2EDTA).

Specimen Preparation

Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.1 mL)

Unacceptable Conditions

Non-frozen specimens.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks

Performed

Sun, Wed, Fri

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-4 days

Synonyms

  • LAB769

Ordering Recommendations

Aids in diagnosis of hereditary angioedema and monitoring response to therapy.

Reference Interval

68% or greater: Normal
41-67%: Indeterminate
40% or less: Abnormal

CPT Codes

86161
Collection

LAB769

Collect

Serum separator tube, lavender (EDTA), or pink (K2EDTA).

Specimen Preparation

Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.1 mL)

Unacceptable Conditions

Non-frozen specimens.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks
Ordering

Performed

Sun, Wed, Fri

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-4 days

Synonyms

  • LAB769

Ordering Recommendations

Aids in diagnosis of hereditary angioedema and monitoring response to therapy.
Result Interpretation

Reference Interval

68% or greater: Normal
41-67%: Indeterminate
40% or less: Abnormal
Administrative

CPT Codes

86161

C1Q BINDING ASSAY

LAB3645

Collect

Plain red or serum separator tube (SST)

Specimen Preparation

Allow complete clotting of red blood cells (up to 1 hour), then separate serum from cells within 30 minutes and freeze immediately. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL) If ordered in conjunction with a Raji Cell Assay, transfer TWO (2) 1 mL aliquots of serum to individual ARUP Standard Transport Tubes.

Unacceptable Conditions

Non-frozen specimens.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks (avoid repeated freeze/thaw cycles)

Performed

Mon, Thu

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-8 days

Synonyms

  • Immune Complex Assay (C1Q)
  • LAB3645
  • C1Q

Ordering Recommendations

Detect circulating immune complexes. Consider ordering Immune Complex Panel (0050667), which contains both Raji cell immune complex and C1q binding assays.

Reference Interval

Less than 4 µgE/mL is considered negative for circulating complement binding immune complexes.

Interpretive Data

Circulating immune complexes may be found without any evident pathology and positive results do not necessarily implicate the immune complex in a disease process.

CPT Codes

86332
Collection

LAB3645

Collect

Plain red or serum separator tube (SST)

Specimen Preparation

Allow complete clotting of red blood cells (up to 1 hour), then separate serum from cells within 30 minutes and freeze immediately. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL) If ordered in conjunction with a Raji Cell Assay, transfer TWO (2) 1 mL aliquots of serum to individual ARUP Standard Transport Tubes.

Unacceptable Conditions

Non-frozen specimens.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks (avoid repeated freeze/thaw cycles)
Ordering

Performed

Mon, Thu

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-8 days

Synonyms

  • Immune Complex Assay (C1Q)
  • LAB3645
  • C1Q

Ordering Recommendations

Detect circulating immune complexes. Consider ordering Immune Complex Panel (0050667), which contains both Raji cell immune complex and C1q binding assays.
Result Interpretation

Reference Interval

Less than 4 µgE/mL is considered negative for circulating complement binding immune complexes.

Interpretive Data

Circulating immune complexes may be found without any evident pathology and positive results do not necessarily implicate the immune complex in a disease process.

Administrative

CPT Codes

86332

C1Q LEVEL

LAB3644

Collect

Lavender (EDTA) or pink (K2EDTA).

Specimen Preparation

Separate plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.1 mL)

Unacceptable Conditions

Grossly hemolyzed, hyperlipemic, or room temperature specimens. Serum or non-EDTA plasma.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

Ambient: Unacceptable; Refrigerated: 48 hours; Frozen: 1 month

Notes

For the C1q Binding assay, refer to ARUP test code 0050301. The C1q Binding assay detects circulating immune complexes. The Complement Component 1q Level assay quantifies the active fraction component, C1q, of the C1 complement protein complex.

Performed

Tue, Fri

Methodology

Radial Immunodiffusion

Reported

5-10 days

Synonyms

  • LAB3644
  • COMP 1Q

Ordering Recommendations

Aids in the diagnosis of C1q deficiency.

Reference Interval

109-242 µg/mL

CPT Codes

86160
Collection

LAB3644

Collect

Lavender (EDTA) or pink (K2EDTA).

Specimen Preparation

Separate plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.1 mL)

Unacceptable Conditions

Grossly hemolyzed, hyperlipemic, or room temperature specimens. Serum or non-EDTA plasma.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Stability (from collection to initiation)

Ambient: Unacceptable; Refrigerated: 48 hours; Frozen: 1 month

Notes

For the C1q Binding assay, refer to ARUP test code 0050301. The C1q Binding assay detects circulating immune complexes. The Complement Component 1q Level assay quantifies the active fraction component, C1q, of the C1 complement protein complex.
Ordering

Performed

Tue, Fri

Methodology

Radial Immunodiffusion

Reported

5-10 days

Synonyms

  • LAB3644
  • COMP 1Q

Ordering Recommendations

Aids in the diagnosis of C1q deficiency.
Result Interpretation

Reference Interval

109-242 µg/mL
Administrative

CPT Codes

86160

C3 COMPLEMENT

LAB152

C3

Collect

4.5 mL, Gold top with gel (SST), serum.

Pediatric Collection

1.5 mL Blood.

Unacceptable Conditions

Sample not properly identified; incorret container; insufficient sample volume.

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.
Offsite: Centrifuge within 2 hours of collection. Transport to laboratory at 2-8 degrees C.

Stability (from collection to initiation)

Before centrifugation: Ambient, 2 hours; Refrigerated, 2 hours.

Updated per manufacturer guidelines:

After centrifugation: Ambient, 4 hours; Refrigerated, 8 days; Frozen (-20 degrees C), 8 days. Avoid repeated freeze/thaw cycles.

Performed by

PCL Clinical Laboratory - Core

Performed

Upon receipt

Methodology

Immunoturbidimetric

Reported

Daily

Synonyms

  • LAB152

Reference Interval

Effective 05/14/2015:

Males, 87 - 200 mg/dL

Females, 87 - 200 mg/dL

Effective 05/20/2014 to 5/13/2015:

Males, 87 - 200 mg/dL

Females, 82 - 200 mg/dL

Before 05/20/2014:

90-190 mg/dL

Performed by

PCL Clinical Laboratory - Core

CPT Codes

86160

Collection

LAB152

C3

Collect

4.5 mL, Gold top with gel (SST), serum.

Pediatric Collection

1.5 mL Blood.

Unacceptable Conditions

Sample not properly identified; incorret container; insufficient sample volume.

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.
Offsite: Centrifuge within 2 hours of collection. Transport to laboratory at 2-8 degrees C.

Stability (from collection to initiation)

Before centrifugation: Ambient, 2 hours; Refrigerated, 2 hours.

Updated per manufacturer guidelines:

After centrifugation: Ambient, 4 hours; Refrigerated, 8 days; Frozen (-20 degrees C), 8 days. Avoid repeated freeze/thaw cycles.

Performed by

PCL Clinical Laboratory - Core

Ordering

Performed

Upon receipt

Methodology

Immunoturbidimetric

Reported

Daily

Synonyms

  • LAB152
Result Interpretation

Reference Interval

Effective 05/14/2015:

Males, 87 - 200 mg/dL

Females, 87 - 200 mg/dL

Effective 05/20/2014 to 5/13/2015:

Males, 87 - 200 mg/dL

Females, 82 - 200 mg/dL

Before 05/20/2014:

90-190 mg/dL

Performed by

PCL Clinical Laboratory - Core

Administrative

CPT Codes

86160

C3 NEPHRITIC FACTOR

LAB3074

Collect

2 mL red top with gel.

Unacceptable Conditions

Plasma, non-frozen samples.

Storage/Transport Temperature

Internal: Deliver to lab immediatley
Offsite: 0.5 mL serum, frozen. Separate serum within 2 hours of collection and freeze. Ship to lab on dry ice/frozen.

Stability (from collection to initiation)

.

Remarks

Separate cells from serum within 2 hours of collection. Result includes interpretation.
NOTICE: [6/17/06] The turnaroundt time for this assay is 1 month from receipt of sample.

Performed by

PCL Clinical Laboratory

Performed

Upon receipt

Methodology

Crossed Immunoelectrophoresis.

Reported

Up to 6 weeks

Synonyms

  • LAB3074

Reference Interval

NEGATIVE

Interpretive Data

See SCANNED IMAGE in ELECTRONIC MEDICAL RECORD under
heading Reference Labs or call CLINICAL LAB @
720-848-4401 for complete test results.

REFERENCE NOTE: One or more of the analytes used in this assay
are classified as an analyte specific reagent [ASR]. This assay is used

for clinical purposes, and ite performance characteristics
determined by National Jewish Clinical Reference Laboratories.
It has not been cleared or approved by the Food and Drug
Administration. The FDA has determined that such clearance or

approval is not necessary. This laboratory is certified under
CLIA 1988 as qualified to perform high complexity clinical
testing.

Performed by

PCL Clinical Laboratory

CPT Codes

86161

Collection

LAB3074

Collect

2 mL red top with gel.

Unacceptable Conditions

Plasma, non-frozen samples.

Storage/Transport Temperature

Internal: Deliver to lab immediatley
Offsite: 0.5 mL serum, frozen. Separate serum within 2 hours of collection and freeze. Ship to lab on dry ice/frozen.

Stability (from collection to initiation)

.

Remarks

Separate cells from serum within 2 hours of collection. Result includes interpretation.
NOTICE: [6/17/06] The turnaroundt time for this assay is 1 month from receipt of sample.

Performed by

PCL Clinical Laboratory

Ordering

Performed

Upon receipt

Methodology

Crossed Immunoelectrophoresis.

Reported

Up to 6 weeks

Synonyms

  • LAB3074
Result Interpretation

Reference Interval

NEGATIVE

Interpretive Data

See SCANNED IMAGE in ELECTRONIC MEDICAL RECORD under
heading Reference Labs or call CLINICAL LAB @
720-848-4401 for complete test results.

REFERENCE NOTE: One or more of the analytes used in this assay
are classified as an analyte specific reagent [ASR]. This assay is used

for clinical purposes, and ite performance characteristics
determined by National Jewish Clinical Reference Laboratories.
It has not been cleared or approved by the Food and Drug
Administration. The FDA has determined that such clearance or

approval is not necessary. This laboratory is certified under
CLIA 1988 as qualified to perform high complexity clinical
testing.

Performed by

PCL Clinical Laboratory

Administrative

CPT Codes

86161

C3A COMPLEMENT LEVEL

LAB3073

Collect

5 mL purple top [EDTA].

Specimen Preparation

Effective 8/25/14: Samples should be sent to the lab on ice.

Centrifuge in refrigerated centrifuge, if possible, within one half hour of collection; preferably immediately after venipuncture. Transfer the cell-free plasma to a clean tube and immediately freeze the cell-free plasma on dry ice or at -70°C.
Preferred volume: 1 mL

Unacceptable Conditions

Serum, non frozen samples

Storage/Transport Temperature

Internal: Deliver to lab immediatley ON ICE.
Offsite: 0.5 mL EDTA plasma Spin, separate and deliver frozen plasma to lab.

Stability (from collection to initiation)

Store at -70 prior to testing.

Remarks

Store at -70C prior to shipment to lab.

Effective:  3/8/10 Samples will no longer be repeated at a higher dilution if they fall above the linear range of the assay. Instead the resutls will be reported as greater than the top of the linear range for the dilution used routinely.

Performed by

PCL Clinical Laboratory

Performed

Wed

Methodology

Radioimmunoassay [RIA]

Reported

2 - 4 weeks

Synonyms

  • LAB3073

Reference Interval

0-940 ng/mL

Interpretive Data

REFERENCE NOTE: This test uses a kit/reagent designated by
the manufacturer as "for research use, not for clinical use".
The performance characteristics of this test have been
validated by National Jewish Clinical Reference Laboratories.
It has not been cleared or approved by the US Food and Drug
Administration [FDA]. The results are not intended to be used
as the sole means for clinical diagnosis or patient management
decisions. This laboratory is certified under the Clinical
Laboratory Improvement Amendment of 1988 {CLIA} as qualified
to perform high complexity clinical testing.

Performed by

PCL Clinical Laboratory

CPT Codes

86160

Collection

LAB3073

Collect

5 mL purple top [EDTA].

Specimen Preparation

Effective 8/25/14: Samples should be sent to the lab on ice.

Centrifuge in refrigerated centrifuge, if possible, within one half hour of collection; preferably immediately after venipuncture. Transfer the cell-free plasma to a clean tube and immediately freeze the cell-free plasma on dry ice or at -70°C.
Preferred volume: 1 mL

Unacceptable Conditions

Serum, non frozen samples

Storage/Transport Temperature

Internal: Deliver to lab immediatley ON ICE.
Offsite: 0.5 mL EDTA plasma Spin, separate and deliver frozen plasma to lab.

Stability (from collection to initiation)

Store at -70 prior to testing.

Remarks

Store at -70C prior to shipment to lab.

Effective:  3/8/10 Samples will no longer be repeated at a higher dilution if they fall above the linear range of the assay. Instead the resutls will be reported as greater than the top of the linear range for the dilution used routinely.

Performed by

PCL Clinical Laboratory

Ordering

Performed

Wed

Methodology

Radioimmunoassay [RIA]

Reported

2 - 4 weeks

Synonyms

  • LAB3073
Result Interpretation

Reference Interval

0-940 ng/mL

Interpretive Data

REFERENCE NOTE: This test uses a kit/reagent designated by
the manufacturer as "for research use, not for clinical use".
The performance characteristics of this test have been
validated by National Jewish Clinical Reference Laboratories.
It has not been cleared or approved by the US Food and Drug
Administration [FDA]. The results are not intended to be used
as the sole means for clinical diagnosis or patient management
decisions. This laboratory is certified under the Clinical
Laboratory Improvement Amendment of 1988 {CLIA} as qualified
to perform high complexity clinical testing.

Performed by

PCL Clinical Laboratory

Administrative

CPT Codes

86160

C4 COMPLEMENT

LAB151

C4

Collect

One 4.5 mL, gold top with gel (SST), serum

Pediatric Collection

1.5 mL Blood

Unacceptable Conditions

Specimen not properly identified; incorrect container; insufficient sample volume.

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.
Offsite: Centrifuge within 2 hours of collection. Transport to laboratory at 2-8 degrees C.

Stability (from collection to initiation)

Before centrifugation: Ambient, 2 hours; Refrigerated, 2 hours.

Updated per manufacturer guidelines:

After centrifugation: Ambient, 4 hours; Refrigerated, 8 days; Frozen (-20 degrees C), 3 months. Avoid repeated freeze/thaw cycles.

Performed by

PCL Clinical Laboratory - Core

Performed

Upon receipt

Methodology

Immunoturbidimetric

Reported

Same day

Synonyms

  • LAB151

Reference Interval

Effective 05/20/2014:

19 - 52 mg/dL

 

Before 05/20/2014:

13.5 - 50.0 mg/dL

Performed by

PCL Clinical Laboratory - Core

CPT Codes

86160

Collection

LAB151

C4

Collect

One 4.5 mL, gold top with gel (SST), serum

Pediatric Collection

1.5 mL Blood

Unacceptable Conditions

Specimen not properly identified; incorrect container; insufficient sample volume.

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.
Offsite: Centrifuge within 2 hours of collection. Transport to laboratory at 2-8 degrees C.

Stability (from collection to initiation)

Before centrifugation: Ambient, 2 hours; Refrigerated, 2 hours.

Updated per manufacturer guidelines:

After centrifugation: Ambient, 4 hours; Refrigerated, 8 days; Frozen (-20 degrees C), 3 months. Avoid repeated freeze/thaw cycles.

Performed by

PCL Clinical Laboratory - Core

Ordering

Performed

Upon receipt

Methodology

Immunoturbidimetric

Reported

Same day

Synonyms

  • LAB151
Result Interpretation

Reference Interval

Effective 05/20/2014:

19 - 52 mg/dL

 

Before 05/20/2014:

13.5 - 50.0 mg/dL

Performed by

PCL Clinical Laboratory - Core

Administrative

CPT Codes

86160

C4A COMPLEMENT LEVEL

LAB3075

Collect

5 mL purple top [EDTA].

Specimen Preparation

Effective 8/25/14: Samples should be sent to the lab on ice.

Centrifuge in refrigerated centrifuge, if possible, within one half hour of collection; preferably immediately after venipuncture. Transfer the cell-free plasma to a clean tube and immediately freeze the cell-free plasma on dry ice or at -70°C.

Minimum volume = 1.0 mL

Unacceptable Conditions

Serum; non-frozen samples.

Storage/Transport Temperature

Internal: Deliver to lab immediatley ON ICE.
Offsite: 0.5 mL EDTA plasma Spin, separate and deliver frozen plasma to lab.

Stability (from collection to initiation)

Store at -70 prior to testing

Remarks

Store at -70C prior to shipment to lab.

Effective:  3/8/10 Samples will no longer be repeated at a higher dilution if they fall above the linear range of the assay. Instead the resutls will be reported as greater than the top of the linear range for the dilution used routinely.

Performed by

PCL Clinical Laboratory

Performed

Once Weekly

Methodology

Radioimmunoassay [RIA].

Reported

2 - 4 weeks

Synonyms

  • LAB3075

Reference Interval

0 - 2830 ng/mL

Interpretive Data

REFERENCE NOTE: This test uses a kit/reagent designated by
the manufacturer as "for research use, not for clinical use".
The performance characteristics of this test have been
validated by National Jewish Clinical Reference Laboratories.
It has not been cleared or approved by the US Food and Drug
Administration [FDA]. The results are not intended to be used
as the sole means for clinical diagnosis or patient management
decisions. This laboratory is certified under the Clinical
Laboratory Improvement Amendment of 1988 {CLIA} as qualified
to perform high complexity clinical testing.

Performed by

PCL Clinical Laboratory

CPT Codes

86160

Collection

LAB3075

Collect

5 mL purple top [EDTA].

Specimen Preparation

Effective 8/25/14: Samples should be sent to the lab on ice.

Centrifuge in refrigerated centrifuge, if possible, within one half hour of collection; preferably immediately after venipuncture. Transfer the cell-free plasma to a clean tube and immediately freeze the cell-free plasma on dry ice or at -70°C.

Minimum volume = 1.0 mL

Unacceptable Conditions

Serum; non-frozen samples.

Storage/Transport Temperature

Internal: Deliver to lab immediatley ON ICE.
Offsite: 0.5 mL EDTA plasma Spin, separate and deliver frozen plasma to lab.

Stability (from collection to initiation)

Store at -70 prior to testing

Remarks

Store at -70C prior to shipment to lab.

Effective:  3/8/10 Samples will no longer be repeated at a higher dilution if they fall above the linear range of the assay. Instead the resutls will be reported as greater than the top of the linear range for the dilution used routinely.

Performed by

PCL Clinical Laboratory

Ordering

Performed

Once Weekly

Methodology

Radioimmunoassay [RIA].

Reported

2 - 4 weeks

Synonyms

  • LAB3075
Result Interpretation

Reference Interval

0 - 2830 ng/mL

Interpretive Data

REFERENCE NOTE: This test uses a kit/reagent designated by
the manufacturer as "for research use, not for clinical use".
The performance characteristics of this test have been
validated by National Jewish Clinical Reference Laboratories.
It has not been cleared or approved by the US Food and Drug
Administration [FDA]. The results are not intended to be used
as the sole means for clinical diagnosis or patient management
decisions. This laboratory is certified under the Clinical
Laboratory Improvement Amendment of 1988 {CLIA} as qualified
to perform high complexity clinical testing.

Performed by

PCL Clinical Laboratory

Administrative

CPT Codes

86160

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