Test Name

IgG
Quantitative

Test Code

623

Unit

mg/dL

Station

Chemistry

Synonym Name/Abbreviation

Immunoglobulin G, Quantitative IgG
serum

CPT Code

82784

Performing Facility

American Medical Labs, Herzliya
Pituah

Analyzer

Roche cobas 6000

Test Method

Immunoturbidimetric

AML Preferred Tube

5 mL SST gel

Storage Instructions

Refrigerated.

Separate serum from cells within 45 minutes

Stability:

4 months at 15 to 25 ^oC

8 months at 2 to 8 ^oC

8 months at -25 to -15 ^oC

Min. Volume

1 mL

Comments

State patients age on the request form. Reference range is
age dependent

Turn-Around-Time

One day

Intended Use

Evaluate humoral immunity; monitor therapy in IgG myeloma;
evaluate patients, especially children and those with lymphoma, with
propensity to infections

Limitations

Samples suspected of having macroglobulins or cryoglobulins
should be drawn and held at 37C. Samples suspected of containing cold
agglutinins should not be refrigerated prior to serum separation from
clot.   Measuring range:
300 to 5000 mg/dL.

Patient Preparation

No patient preparation
needed.

Reasons for Rejection

Excessive lipemia

Adult Reference Ranges

 700 to 1600
mg/dL