BETA-2-MICROGLOBULIN SERUM

LAB49

B2M

Collect

One 5.0 mL gold or red top with gel (SST), (clot activator serum).

Unacceptable Conditions

Gross lipemia; sample not properly identified; incorrect container; insufficient sample volume.

Storage/Transport Temperature

Internal:  Allow to clot for 30 minutes, then deliver to lab immediately at ambient temperature.
Offsite: Allow to clot 30 minutes, immediately centrifuge, place at least 1 mL of serum in an aliquot container and transport to lab at 2-8 degrees C.

Stability (from collection to initiation)

Before centrifugation: Ambient, 1 hour.

After centrifugation: Ambient, 1 hour.

Serum aliquot: Ambient, 1 hour; Refrigerated, 8 days; Frozen (-20 degrees C), 2 months.

Remarks

Separate serum from cells as soon as possible and refrigerate.

Performed by

PCL Clinical Laboratory - Special Chemistry

Notes

Due to the half-life of the protein in the system, any Beta-2-Microglobulin order that is placed within 20 hours of a previous Beta-2-Microglobulin level will be considered a duplicate order and will be cancelled.

Performed

Monday and Thursday

Methodology

Nephelometry

Reported

Same day

Synonyms

  • LAB49
  • B2M

Reference Interval

1.3-2.9 mg/L

Performed by

PCL Clinical Laboratory - Special Chemistry

CPT Codes

82232

Collection

LAB49

B2M

Collect

One 5.0 mL gold or red top with gel (SST), (clot activator serum).

Unacceptable Conditions

Gross lipemia; sample not properly identified; incorrect container; insufficient sample volume.

Storage/Transport Temperature

Internal:  Allow to clot for 30 minutes, then deliver to lab immediately at ambient temperature.
Offsite: Allow to clot 30 minutes, immediately centrifuge, place at least 1 mL of serum in an aliquot container and transport to lab at 2-8 degrees C.

Stability (from collection to initiation)

Before centrifugation: Ambient, 1 hour.

After centrifugation: Ambient, 1 hour.

Serum aliquot: Ambient, 1 hour; Refrigerated, 8 days; Frozen (-20 degrees C), 2 months.

Remarks

Separate serum from cells as soon as possible and refrigerate.

Performed by

PCL Clinical Laboratory - Special Chemistry

Notes

Due to the half-life of the protein in the system, any Beta-2-Microglobulin order that is placed within 20 hours of a previous Beta-2-Microglobulin level will be considered a duplicate order and will be cancelled.

Ordering

Performed

Monday and Thursday

Methodology

Nephelometry

Reported

Same day

Synonyms

  • LAB49
  • B2M
Result Interpretation

Reference Interval

1.3-2.9 mg/L

Performed by

PCL Clinical Laboratory - Special Chemistry

Administrative

CPT Codes

82232

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