Immunoglobulins, Quantitative (GAM) - UChicago Medicine Medical Laboratories

Specimen Type

Plasma

Container/Tube

Li-Heparin Mint Green Top

Offsite Collection Instructions

1. Collect sample following standard collection methods
2. Within 2 hours of collection the sample must be spun and
aliquoted
3. Transport refrigerated (2 – 8C).

Turnaround Time

4 hours

Test Includes

Immunoglobulin A, Immunoglobulin G, Immunoglobulin M

Preferred Volume

1.0 mL

UCMC Collection Instructions

1. Collect sample following standard collection methods
2. Within 2 hours of collection the sample must be received in
Laboratory Service Center
3. Transport room temperature (15 – 25C).

Critical Results

N/A

Test Limitations

It is known that the so-called paraproteins secreted inIt is
known that the so-called paraproteins secreted in monoclonal
gammopathies (monoclonal immunoglobulinemia) may differ from the
respective immunoglobulins of polyclonal origin by amino acid
composition and size. This may impair the binding to antibody and
hence impair accurate quantitation.

Fee Code

43055, 43056, 43057

STAT Turnaround Time

N/A

Specimen Minimum Volume

0.5 mL

Specimen Stability

See individual analytes for stability information

DAY(S) AND TIME(S) PERFORMED

24 hours, 7 days a week including holidays.

STAT DAY(S) AND TIME(S) PERFORMED

N/A

CPT

82784Ã—3

Method Name

Immunoturbidimetric Assay

Reference Values

Refer to test information for individual analytes.

Reject Due To

Whole blood/unspun samples greater than 6 hours will be
rejected.

Synonyms

N/A

Test Usage

See individual analytes for test usage information.

Additional Information

Once per admit.
If monitoring an identified paraprotein, then once per week.

Included in Additional codes

N/A

Coverage Information

N/A

Stability: Room Temp