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Test Code IGM Immunoglobulin M (IgM), Serum or Plasma

Methodology

Turbidimetric

Specimen Requirements

Container/Tube:

Preferred: Lithium heparin (light green-top)

Acceptable: Serum Gel

 Draw blood, spin down and send 1 mL (pediatric:  0.2 mL) of plasma or serum.

Specimen Stability Information

 

Specimen Type

Temperature

Time

Plasma,lithium heparin / Serum

RT, spun

 2 months
 

Refrigerated, spun

 4 months

 

Reference Values

 

Age

IgM (mg/dL)

< 1 year

0 – 145

1 – 3 years

19 - 146

4 – 6 years

24 – 210

7 – 9 years

31 – 208

10 – 11 years

31 – 179 

12 – 13 years

35 – 239

14 – 15 years

15 – 188

16- 19 years

23 – 259

>19 years

40- 230

 

Reject Due To

 

Hemolysis

Mild:

ok

Gross:

ok

Lipemia

Mild:

ok

Gross:

ok

Icterus

Mild:

ok

Gross:

ok

 

Day(s) Test Set Up

Monday through Sunday

CPT Coding

82784

Secondary ID

HHA1271

Performing Laboratory

Huntsville Hospital Laboratory

LOINC Coding

Test name LOINC Code

Immunoglobulin M (IgM), Serum or Plasma

 2472-9