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Department of Pathology

IgM (087-0649)

CPT 4 Code: 82784

Test Order Mnemonic: IGM

Lab: Immunochemistry

Request Form: Clinical Immunology

Collection: Routine venipuncture; CSF - routine lumbar puncture

Storage Instructions: Prefer prompt delivery.  Blood - seperate serum from cells and refrigerate.  CSF - refrigerate.

Causes for Rejection: Gross hemolysis, lipemic serum

Availability: Samples are received 24 hours per day at Sample Management, Room 5.138, McCullough.

Turnaround Time: Routine: 24 hours; test is performed Monday - Friday

Specimen: Blood or CSF

Volume: 7 mL blood or 3 mL CSF

Minimum Volume: 3 mL blood or 1 mL CSF

Container: SST (gel barrier) preferred;  red-topped tube acceptable; CSF: 7 mL sterile plastic tube with screw cap

Reference Ranges:

Serum

age

range

 age

range
10-12 months 41-149 mg/dL cord blood 6.3-25 mg/dL
1 -2years 43-173 mg/dL 1 month 20-87 mg/dL
2-3 years 48-168 mg/dL 2 months 17-105 mg/dL
3-4 years 47-200 mg/dL 3 months 24-89 mg/dL
4-5 years 43-196 mg/dL 4 months 27-101 mg/dL
6-8 years 48-207 mg/dL 5 months 33-108 mg/dL
9-10 years 52-240 mg/dL 6 months 35-102 mg/dL
10-adult 56-352 mg/dL 7-9 months 34-126 mg/dL

cerebospinal fluid

 0-adult <1.1 mg/dL

Test Method: Nephelometry

Reviewed/revised April 2007 by P. Harris

 

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