Immunoglobulin M

0050355
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Example Reports
Abnormal
Normal

Ordering Recommendation

Aid in diagnosis or monitoring of IgM monoclonal gammopathies and IgM-related immune deficiencies.

Mnemonic

IGM

Methodology

Quantitative Immunoturbidimetry

Performed

Sun-Sat

Reported

1-3 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube or green (sodium or lithium heparin).

Specimen Preparation

Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Grossly hemolyzed or lipemic specimens.

Remarks
Stability

After separation from cells: Ambient: Unacceptable; Refrigerated: 14 days; Frozen: 6 months

Reference Interval

Effective February 16, 2021

0-2 years: 21-215 mg/dL                     
3-4 years: 26-155 mg/dL                                
5-9 years: 26-188 mg/dL                          
10-14 years: 47-252 mg/dL                               
15-18 years: 26-232 mg/dL
19 years and older: 35-263 mg/dL

Interpretive Data



Compliance Category

FDA

Note

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
05/16/2022
X
02/16/2021
X
X
X
N/A

CPT Codes

82784

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Components

Component Test Code* Component Chart Name LOINC
0050355 Immunoglobulin M 2472-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • IgM, Serum
  • immunoglobulin M serus
  • Serum IgM
Immunoglobulin M