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Isohemagglutinin Titer, IgM
2000270
Ordering Recommendation
Mnemonic
IRL ISO M
Methodology
Hemagglutination
Performed
Mon-Fri
Reported
1-3 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Lavender (EDTA), or pink (K2EDTA). 
Specimen Preparation
Do not freeze red cells. Transport 7 mL whole blood. (Min: 3 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Separator or gel tubes. 
Remarks
 
Stability
Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable 
Reference Interval
Normals are not applicable.
Interpretive Data


Note
Only IgM isohemagglutinin titers based on ABO screening results will be performed for this test. If both IgG and IgM titers are desired, order Isohemagglutinin Titer, IgG & IgM (2000280). Specimens are screened for antibodies; if positive, an antibody panel will be performed. Titers will be performed as indicated for specific blood groups. Additional charges will apply to antibody identification and titer testing.
CPT Code(s)
86900; if blood type is A add: 86941; if blood type is B, add: 86941; if blood type is O, add: 86941; 86941. If blood type is AB, no additional titers will be performed.
Components
Component Test Code*Component Chart NameLOINC
2000288ABO Group ISO Interp883-9
2000289Anti A Titer IgM ISO50762-4
2000290Anti B Titer IgM ISO50763-2
* 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
  • Anti-A & B Titer
  • Isohemagglutinin Titer, Anti A
  • Isohemagglutinin Titer, Anti B