Tests Catalogs

GLUCOSE SERUM/PLASMA

LAB82

GLU R

Collect

One4.5 mL green top with gel (PST), (lithium heparin plasma).

Pediatric Collection

At least 0.5 mL whole blood in green top microtainer with gel, (lithium heparin plasma) or other heparin tube such as 125 uL, plastic capillary (balanced heparin) blood tube at least 60% full.

Unacceptable Conditions

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

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.
Offsite:Plasma: Centrifuge within 30 minutes of collection. Transport to lab at ambient temperature.

Stability (from collection to initiation)

Before centrifugation: 1 hour

After centrifugation: Ambient, 8 hours; Refrigerated, 3 days.

Plasma aliquot: Ambient, 8 hours; Refrigerated, 3 days; Frozen (-20 degrees C), 1 year.

Performed by

PCL Clinical Laboratory- Core

Performed

Daily

Methodology

O2 depletion-Enzymatic

Reported

Same day

Synonyms

  • LAB82

Reference Interval

70-199 mg/dL

Interpretive Data

A value equal to or greater than 200 mg/dL is suggestive of Diabetes Mellitus and should be confirmed by additional testing, on a subsequent day, to establish the diagnosis of DM.
REFERENCE: American Diabetes Association Position Statement. Diabetes Care 2002; 25:S21-S24

Performed by

PCL Clinical Laboratory- Core

CPT Codes

82947

Collection

LAB82

GLU R

Collect

One4.5 mL green top with gel (PST), (lithium heparin plasma).

Pediatric Collection

At least 0.5 mL whole blood in green top microtainer with gel, (lithium heparin plasma) or other heparin tube such as 125 uL, plastic capillary (balanced heparin) blood tube at least 60% full.

Unacceptable Conditions

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

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.
Offsite:Plasma: Centrifuge within 30 minutes of collection. Transport to lab at ambient temperature.

Stability (from collection to initiation)

Before centrifugation: 1 hour

After centrifugation: Ambient, 8 hours; Refrigerated, 3 days.

Plasma aliquot: Ambient, 8 hours; Refrigerated, 3 days; Frozen (-20 degrees C), 1 year.

Performed by

PCL Clinical Laboratory- Core

Ordering

Performed

Daily

Methodology

O2 depletion-Enzymatic

Reported

Same day

Synonyms

  • LAB82
Result Interpretation

Reference Interval

70-199 mg/dL

Interpretive Data

A value equal to or greater than 200 mg/dL is suggestive of Diabetes Mellitus and should be confirmed by additional testing, on a subsequent day, to establish the diagnosis of DM.
REFERENCE: American Diabetes Association Position Statement. Diabetes Care 2002; 25:S21-S24

Performed by

PCL Clinical Laboratory- Core

Administrative

CPT Codes

82947

GLUCOSE TOLERANCE TEST 3 HOUR 100g DOSE

LAB10191

Collect

Collect 4 timed specimens (fasting, 60, 120, and 180 minutes). One 4.5 mL green top with gel (PST), (lithium heparin plasma). Collect separate tube for each timed specimen.

 

Patient Preparation

Collect four timed specimens (fasting, 60, 120, 180 minutes).  Collect separate tube for each timed specimen.

Pediatric Collection

Minimum volume: 0.2 mL plasma

Unacceptable Conditions

Sodium fluoride anticoagulant; specimen not properly identified; insufficient sample volume

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.

Offsite: Centrifuge within 30 minutes of collection. Transport to laboratory at ambient temperature.

Stability (from collection to initiation)

Before centrifugation: Ambient, 1 hour.

After centrifugation: Ambient, 8 hours; Refrigerated, 3 days; Frozen, Unacceptable.

Plasma Aliquot: Ambient, 8 hours; Refrigerated, 3 days; Frozen (-20 degrees C), 1 year.

Performed by

PCL Clinical Laboratory - Core Chemistry

Performed

Upon receipt

Methodology

O2 depletion-Enzymatic

Reported

Same day

Synonyms

  • LAB3438

Interpretive Data

Following an overnight fast of 8-14 hours, if two or more of the following limits are met or exceeded, a positive diagnosis GDM is indicated.

Fasting           95 mg/dL

1 Hour           180 mg/dL

2 Hour           155 mg/dL

3 Hour           140 mg/dL

REFERENCE:  American Diabetes Association Position Statement.  Diabetes Care 2002; 25:S21-S24

 

Performed by

PCL Clinical Laboratory - Core Chemistry

CPT Codes

82951 for glucose tolerance test (GTT), 3 specimens

82952 for each additional glucose test beyond three tolerance test specimens

Collection

LAB10191

Collect

Collect 4 timed specimens (fasting, 60, 120, and 180 minutes). One 4.5 mL green top with gel (PST), (lithium heparin plasma). Collect separate tube for each timed specimen.

 

Patient Preparation

Collect four timed specimens (fasting, 60, 120, 180 minutes).  Collect separate tube for each timed specimen.

Pediatric Collection

Minimum volume: 0.2 mL plasma

Unacceptable Conditions

Sodium fluoride anticoagulant; specimen not properly identified; insufficient sample volume

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.

Offsite: Centrifuge within 30 minutes of collection. Transport to laboratory at ambient temperature.

Stability (from collection to initiation)

Before centrifugation: Ambient, 1 hour.

After centrifugation: Ambient, 8 hours; Refrigerated, 3 days; Frozen, Unacceptable.

Plasma Aliquot: Ambient, 8 hours; Refrigerated, 3 days; Frozen (-20 degrees C), 1 year.

Performed by

PCL Clinical Laboratory - Core Chemistry

Ordering

Performed

Upon receipt

Methodology

O2 depletion-Enzymatic

Reported

Same day

Synonyms

  • LAB3438
Result Interpretation

Interpretive Data

Following an overnight fast of 8-14 hours, if two or more of the following limits are met or exceeded, a positive diagnosis GDM is indicated.

Fasting           95 mg/dL

1 Hour           180 mg/dL

2 Hour           155 mg/dL

3 Hour           140 mg/dL

REFERENCE:  American Diabetes Association Position Statement.  Diabetes Care 2002; 25:S21-S24

 

Performed by

PCL Clinical Laboratory - Core Chemistry

Administrative

CPT Codes

82951 for glucose tolerance test (GTT), 3 specimens

82952 for each additional glucose test beyond three tolerance test specimens

GLUCOSE TOLERANCE TEST, 2 HOUR 75g DOSE

LAB3437

Collect

One 4.5 mL green top with gel (PST), lithium heparin plasma.

Patient Preparation

Patient should be fasting for at least eight hours prior to collection of specimens.

Specimen Preparation

Collect two times specimens (fasting and 120 minutes). One 4.5 mL green top with gel (PST), (lithium heparin plasma). Collects separate tube for each timed specimen

Pediatric Collection

Minimum volume: 0.2 mL plasma

Unacceptable Conditions

Sodium fluoride anticoagulant; specimen not properly identified; insufficient sample volume

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.

Offsite: Centrifuge within 30 minutes of collection. Transport to laboratory at ambient temperature.

Stability (from collection to initiation)

Before centrifugation: Ambient, 1 hour.

After centrifugation: Ambient, 8 hours; Refrigerated, 3 days; Frozen, Unacceptable.

Plasma Aliquot: Ambient, 8 hours; Refrigerated, 3 days; Frozen (-20 degrees C), 1 year.

Performed by

PCL Clinical Laboratory - Core Chemistry

Performed

Upon receipt

Methodology

O2 depletion-Enzymatic

Reported

Same day

Interpretive Data

Following an overnight fast of 8-14 hours, if one or more of the following GTT REFERENCE RANGES limits are met or exceeded, a positive diagnosis of DM is indicated.

Fasting      <105 mg/dL

Fasting      >125 mg/dL

1 Hour       <190 mg/dL

2 Hour       >199 mg/dL

2 Hour       <165 mg/dL

3 Hour      <145 mg/dL

REFERENCE:  American Diabetes Association Position Statement.  Diabetes Care 2002; 25:S21-S24

 

Performed by

PCL Clinical Laboratory - Core Chemistry

CPT Codes

82951 for glucose tolerance test (GTT), 3 specimens

82952 for each additional glucose test beyond three tolerance test specimens

Collection

LAB3437

Collect

One 4.5 mL green top with gel (PST), lithium heparin plasma.

Patient Preparation

Patient should be fasting for at least eight hours prior to collection of specimens.

Specimen Preparation

Collect two times specimens (fasting and 120 minutes). One 4.5 mL green top with gel (PST), (lithium heparin plasma). Collects separate tube for each timed specimen

Pediatric Collection

Minimum volume: 0.2 mL plasma

Unacceptable Conditions

Sodium fluoride anticoagulant; specimen not properly identified; insufficient sample volume

Storage/Transport Temperature

Internal: Deliver to lab immediately at ambient temperature.

Offsite: Centrifuge within 30 minutes of collection. Transport to laboratory at ambient temperature.

Stability (from collection to initiation)

Before centrifugation: Ambient, 1 hour.

After centrifugation: Ambient, 8 hours; Refrigerated, 3 days; Frozen, Unacceptable.

Plasma Aliquot: Ambient, 8 hours; Refrigerated, 3 days; Frozen (-20 degrees C), 1 year.

Performed by

PCL Clinical Laboratory - Core Chemistry

Ordering

Performed

Upon receipt

Methodology

O2 depletion-Enzymatic

Reported

Same day

Result Interpretation

Interpretive Data

Following an overnight fast of 8-14 hours, if one or more of the following GTT REFERENCE RANGES limits are met or exceeded, a positive diagnosis of DM is indicated.

Fasting      <105 mg/dL

Fasting      >125 mg/dL

1 Hour       <190 mg/dL

2 Hour       >199 mg/dL

2 Hour       <165 mg/dL

3 Hour      <145 mg/dL

REFERENCE:  American Diabetes Association Position Statement.  Diabetes Care 2002; 25:S21-S24

 

Performed by

PCL Clinical Laboratory - Core Chemistry

Administrative

CPT Codes

82951 for glucose tolerance test (GTT), 3 specimens

82952 for each additional glucose test beyond three tolerance test specimens

GLUCOSE WHOLE BLOOD

LAB3027

GLU WB

Collect

Plastic Arterial blood gas syringe with dry balanced heparin anticoagulant. or Sodium or lithium heparin vacutainer with no gel and 75% of full draw.

Unacceptable Conditions

Sample not properly identified; incorrect container; insufficient sample volume. Sample submitted with needle attached (Remove immediately post collection); Air bubbles in sample, clotted sample, Samples with gel separator,vacutainer samples with less than 75% full draw volume.

Storage/Transport Temperature

Internal: Deliver to laboratory immediately.

Offsite: Maintain sample at room temperature during transport to the laboratory.

Performed by

PCL Clinical Laboratory

Performed

Upon receipt

Methodology

Ion Selective Electrode

Reported

Within 1 hour of receipt

Synonyms

  • LAB3027
  • GLU WB

Reference Interval

65-110 mg/dL

Performed by

PCL Clinical Laboratory

Collection

LAB3027

GLU WB

Collect

Plastic Arterial blood gas syringe with dry balanced heparin anticoagulant. or Sodium or lithium heparin vacutainer with no gel and 75% of full draw.

Unacceptable Conditions

Sample not properly identified; incorrect container; insufficient sample volume. Sample submitted with needle attached (Remove immediately post collection); Air bubbles in sample, clotted sample, Samples with gel separator,vacutainer samples with less than 75% full draw volume.

Storage/Transport Temperature

Internal: Deliver to laboratory immediately.

Offsite: Maintain sample at room temperature during transport to the laboratory.

Performed by

PCL Clinical Laboratory

Ordering

Performed

Upon receipt

Methodology

Ion Selective Electrode

Reported

Within 1 hour of receipt

Synonyms

  • LAB3027
  • GLU WB
Result Interpretation

Reference Interval

65-110 mg/dL

Performed by

PCL Clinical Laboratory

Administrative

GLUCOSE-6-PTASE DEHYDROGENASE

LAB571

Collect

Yellow (ACD Solution A), green (sodium or lithium heparin), lavender (EDTA), or pink (K2EDTA). Enzyme most stable in acid citrate dextrose (ACD).

Specimen Preparation

Do not freeze. Transport 3 mL whole blood. (Min: 1.5 mL)

Unacceptable Conditions

Hemolyzed specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

Ambient: 8 hours; Refrigerated: 1 week; Frozen: Unacceptable

Notes

Patients who have recently received transfusions have normal donor cells that may mask G-6-PD deficient erythrocytes.

Performed

Sun-Sat

Methodology

Quantitative Enzymatic

Reported

1-2 days

Synonyms

  • G-6-PD
  • LAB571
  • G6PD

Ordering Recommendations

Preferred initial screening test for G6PD deficiency. For genetic testing, refer to Glucose-6-Phosphate Dehydrogenase (G6PD) 2 Mutations (0051684) for individuals of African descent or Glucose-6-Phosphate Dehydrogenase Deficiency (G6PD) Sequencing (2007163) for individuals with other high-risk ethnic backgrounds.

Reference Interval

Effective November 17, 2014
9.9-16.6 U/g Hb

CPT Codes

82955
Collection

LAB571

Collect

Yellow (ACD Solution A), green (sodium or lithium heparin), lavender (EDTA), or pink (K2EDTA). Enzyme most stable in acid citrate dextrose (ACD).

Specimen Preparation

Do not freeze. Transport 3 mL whole blood. (Min: 1.5 mL)

Unacceptable Conditions

Hemolyzed specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

Ambient: 8 hours; Refrigerated: 1 week; Frozen: Unacceptable

Notes

Patients who have recently received transfusions have normal donor cells that may mask G-6-PD deficient erythrocytes.
Ordering

Performed

Sun-Sat

Methodology

Quantitative Enzymatic

Reported

1-2 days

Synonyms

  • G-6-PD
  • LAB571
  • G6PD

Ordering Recommendations

Preferred initial screening test for G6PD deficiency. For genetic testing, refer to Glucose-6-Phosphate Dehydrogenase (G6PD) 2 Mutations (0051684) for individuals of African descent or Glucose-6-Phosphate Dehydrogenase Deficiency (G6PD) Sequencing (2007163) for individuals with other high-risk ethnic backgrounds.
Result Interpretation

Reference Interval

Effective November 17, 2014
9.9-16.6 U/g Hb
Administrative

CPT Codes

82955

GLUTAMIC ACID DECARBOXYLASE AB

LAB650

Collect

Serum separator tube.

Specimen Preparation

Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Unacceptable Conditions

Plasma. Grossly hemolyzed specimens.

Storage/Transport Temperature

Frozen.

Stability (from collection to initiation)

Ambient: 24 hours; Refrigerated: 1 week; Frozen: 3 months

Performed

Sun-Fri

Methodology

Semi-quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-3 days

Synonyms

  • GAD 65
  • GAD Antibody
  • LAB650

Additional Technical Information

Ordering Recommendations

• If pursuing antibody testing to determine autoimmune diabetes mellitus, perform at least 2 antibody tests. In most cases, use glutamic acid decarboxylase antibody in combination with another antibody test. Other antibody tests include IA-2 Antibody (0050202), Insulin Antibody (0099228), Islet Cell Cytoplasmic Antibody, IgG (0050138), and Zinc Transporter 8 Antibody (2006196). • Most useful to establish autoimmune etiology in previously diagnosed type 1 DM. Do not use to differentiate type 1 DM from type 2 DM, for most cases.

Reference Interval

0.0-5.0 IU/mL

Interpretive Data

A value greater than 5.0 IU/mL is considered positive for Glutamic Acid Decarboxylase Antibody.

CPT Codes

83516
Collection

LAB650

Collect

Serum separator tube.

Specimen Preparation

Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Unacceptable Conditions

Plasma. Grossly hemolyzed specimens.

Storage/Transport Temperature

Frozen.

Stability (from collection to initiation)

Ambient: 24 hours; Refrigerated: 1 week; Frozen: 3 months
Ordering

Performed

Sun-Fri

Methodology

Semi-quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-3 days

Synonyms

  • GAD 65
  • GAD Antibody
  • LAB650

Additional Technical Information

Ordering Recommendations

• If pursuing antibody testing to determine autoimmune diabetes mellitus, perform at least 2 antibody tests. In most cases, use glutamic acid decarboxylase antibody in combination with another antibody test. Other antibody tests include IA-2 Antibody (0050202), Insulin Antibody (0099228), Islet Cell Cytoplasmic Antibody, IgG (0050138), and Zinc Transporter 8 Antibody (2006196). • Most useful to establish autoimmune etiology in previously diagnosed type 1 DM. Do not use to differentiate type 1 DM from type 2 DM, for most cases.
Result Interpretation

Reference Interval

0.0-5.0 IU/mL

Interpretive Data

A value greater than 5.0 IU/mL is considered positive for Glutamic Acid Decarboxylase Antibody.

Administrative

CPT Codes

83516

GLYCINE

LAB3078

Collect

2 mL green top tube 2 mL red top tube with or without gel

Pediatric Collection

0.3 mL

Storage/Transport Temperature

Internal: Deliver to lab immediately at room temperature
Offsite: 0.5 mL plasma/serum. Ship heparinized plasma/serum frozen.

Performed by

UCD Biochemical Genetics Laboratory

Performed

Weekly (Dayshift), day varies

Reported

7 - 10 days

Synonyms

  • LAB3078

Performed by

UCD Biochemical Genetics Laboratory

CPT Codes

82131

Collection

LAB3078

Collect

2 mL green top tube 2 mL red top tube with or without gel

Pediatric Collection

0.3 mL

Storage/Transport Temperature

Internal: Deliver to lab immediately at room temperature
Offsite: 0.5 mL plasma/serum. Ship heparinized plasma/serum frozen.

Performed by

UCD Biochemical Genetics Laboratory

Ordering

Performed

Weekly (Dayshift), day varies

Reported

7 - 10 days

Synonyms

  • LAB3078
Result Interpretation

Performed by

UCD Biochemical Genetics Laboratory

Administrative

CPT Codes

82131

GLYCOLS, ETHYLENE & PROPYLENE

LAB3046

GLYCOLS

Collect

One 6.0 mL red top no gel, serum (clot activator).

Pediatric Collection

Minimum volume: 1 mL serum.

Unacceptable Conditions

SST or PST gel separator tubes; insufficient volume; sample not properly identified; incorrect container.

Storage/Transport Temperature

Internal: Deliver to lab within one hour of collection.
Offsite: Allow to clot for 30 minutes after collection. Centrifuge within one hour of collection. Place at least 1 mL serum/plasma in a tightly sealed aliquot container with minimal dead space and transport to lab at 2-8 degrees C (refrigerated or on ice).

Stability (from collection to initiation)

Prior to centrifugation: Ambient, 1 hour

Tightly capped serum aliquot: Ambient, 24 hours; Refrigerated (2-8 degrees C), 24 hours; Frozen (-20 degrees C), 1 month.

 

Remarks

If prolonged storage is anticipated, the addition of fluoride (collect in a grey top tube) is recommended.

Glycols assayed include:

  • Ethylene Glycol (cut off 3 mg/dL)
  • Propylene Glycol (cut off 10 mg/dL)

Ethylene glycol is rapidly oxidized by ADH and should be analyzed immediately whenever ethylene glycol poisoning is suspected.

Performed by

PCL Clinical Laboratory - Toxicology

Performed

Daily

Methodology

Gas chromatography (GC).

Reported

Same day

Synonyms

  • Antifreeze

Reference Interval

Ethylene Glycol: <3 mg/dL

Propylene Glycol:  <10 mg/dL

Performed by

PCL Clinical Laboratory - Toxicology

CPT Codes

82693

Collection

LAB3046

GLYCOLS

Collect

One 6.0 mL red top no gel, serum (clot activator).

Pediatric Collection

Minimum volume: 1 mL serum.

Unacceptable Conditions

SST or PST gel separator tubes; insufficient volume; sample not properly identified; incorrect container.

Storage/Transport Temperature

Internal: Deliver to lab within one hour of collection.
Offsite: Allow to clot for 30 minutes after collection. Centrifuge within one hour of collection. Place at least 1 mL serum/plasma in a tightly sealed aliquot container with minimal dead space and transport to lab at 2-8 degrees C (refrigerated or on ice).

Stability (from collection to initiation)

Prior to centrifugation: Ambient, 1 hour

Tightly capped serum aliquot: Ambient, 24 hours; Refrigerated (2-8 degrees C), 24 hours; Frozen (-20 degrees C), 1 month.

 

Remarks

If prolonged storage is anticipated, the addition of fluoride (collect in a grey top tube) is recommended.

Glycols assayed include:

  • Ethylene Glycol (cut off 3 mg/dL)
  • Propylene Glycol (cut off 10 mg/dL)

Ethylene glycol is rapidly oxidized by ADH and should be analyzed immediately whenever ethylene glycol poisoning is suspected.

Performed by

PCL Clinical Laboratory - Toxicology

Ordering

Performed

Daily

Methodology

Gas chromatography (GC).

Reported

Same day

Synonyms

  • Antifreeze
Result Interpretation

Reference Interval

Ethylene Glycol: <3 mg/dL

Propylene Glycol:  <10 mg/dL

Performed by

PCL Clinical Laboratory - Toxicology

Administrative

CPT Codes

82693

GM1 ANTIBODY PANEL

LAB3218

Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.3 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL)

Unacceptable Conditions

Room temperature specimens. Plasma, CSF, or other body fluids. Contaminated, heat-inactivated, hemolyzed, icteric, or severely lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: 1 year

Performed

Mon, Wed, Fri

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-4 days

Synonyms

  • Ganglioside-monosialic Acid Ab
  • Anti-GM1 Antibody Panel
  • LAB3218
  • GMI PANEL

Additional Technical Information

Ordering Recommendations

May be useful when assessing for primarily motor neuron disease and motor neuropathies. Test by itself is not diagnostic and should be used in conjunction with other clinical parameters to confirm disease.

Reference Interval

Components
Reference Interval
GM1 Antibody, IgG29 IV or less: Negative
30-50 IV: Equivocal
51-100 IV: Positive
101 IV or greater: Strong positive
GM1 Antibody, IgM29 IV or less: Negative
30-50 IV: Equivocal
51-100 IV: Positive
101 IV or greater: Strong positive

Interpretive Data

Ganglioside antibodies are associated with diverse peripheral neuropathies. Elevated antibody levels to ganglioside-monosialic acid (GM1) are associated with motor or sensorimotor neuropathies, particularly multifocal motor neuropathy. Anti-GM1 may occur as IgM (polyclonal or monoclonal) or IgG antibodies. These antibodies may also be found in patients with diverse connective tissue diseases as well as normal individuals. These tests by themselves are not diagnostic and should be used in conjunction with other clinical parameters to confirm disease.

CPT Codes

83516 x2
Collection

LAB3218

Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.3 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL)

Unacceptable Conditions

Room temperature specimens. Plasma, CSF, or other body fluids. Contaminated, heat-inactivated, hemolyzed, icteric, or severely lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: 1 year
Ordering

Performed

Mon, Wed, Fri

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-4 days

Synonyms

  • Ganglioside-monosialic Acid Ab
  • Anti-GM1 Antibody Panel
  • LAB3218
  • GMI PANEL

Additional Technical Information

Ordering Recommendations

May be useful when assessing for primarily motor neuron disease and motor neuropathies. Test by itself is not diagnostic and should be used in conjunction with other clinical parameters to confirm disease.
Result Interpretation

Reference Interval

Components
Reference Interval
GM1 Antibody, IgG29 IV or less: Negative
30-50 IV: Equivocal
51-100 IV: Positive
101 IV or greater: Strong positive
GM1 Antibody, IgM29 IV or less: Negative
30-50 IV: Equivocal
51-100 IV: Positive
101 IV or greater: Strong positive

Interpretive Data

Ganglioside antibodies are associated with diverse peripheral neuropathies. Elevated antibody levels to ganglioside-monosialic acid (GM1) are associated with motor or sensorimotor neuropathies, particularly multifocal motor neuropathy. Anti-GM1 may occur as IgM (polyclonal or monoclonal) or IgG antibodies. These antibodies may also be found in patients with diverse connective tissue diseases as well as normal individuals. These tests by themselves are not diagnostic and should be used in conjunction with other clinical parameters to confirm disease.

Administrative

CPT Codes

83516 x2

GRAM STAIN

LAB250

Collect

Duplicate of specimen appropriate for routine culture of the specific site.

Unacceptable Conditions

Specimen not received in appropriate sterile container, insufficient specimen volume, gross contamination, dried out swab.

Storage/Transport Temperature

Internal: Deliver to lab immediately.
Offsite: Transport immediately to the laboratory.

Remarks

Specify site of specimen.

Performed by

PCL Clinical Laboratory - Microbiology

Performed

Daily

Methodology

Gram's stain

Reported

Same day, stat within 4 hours

Synonyms

  • LAB250

Performed by

PCL Clinical Laboratory - Microbiology

CPT Codes

87205

For slides that are suspicious for acid-fast or partially acid fast bacteria, additional stain, ZN or PAF, will be performed, and CPT 87206 billed.

Collection

LAB250

Collect

Duplicate of specimen appropriate for routine culture of the specific site.

Unacceptable Conditions

Specimen not received in appropriate sterile container, insufficient specimen volume, gross contamination, dried out swab.

Storage/Transport Temperature

Internal: Deliver to lab immediately.
Offsite: Transport immediately to the laboratory.

Remarks

Specify site of specimen.

Performed by

PCL Clinical Laboratory - Microbiology

Ordering

Performed

Daily

Methodology

Gram's stain

Reported

Same day, stat within 4 hours

Synonyms

  • LAB250
Result Interpretation

Performed by

PCL Clinical Laboratory - Microbiology

Administrative

CPT Codes

87205

For slides that are suspicious for acid-fast or partially acid fast bacteria, additional stain, ZN or PAF, will be performed, and CPT 87206 billed.

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