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
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
N/A
CPT Codes
82784
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