Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Aid in determination of the relative amount of anti-A or anti-B present in serum to evaluate an individual’s ability to mount an immune response. Most often performed on pediatric patients with recurrent infections.
MnemonicUnique test identifier.
IRL ISO M
MethodologyProcess(es) used to perform the test.
Hemagglutination
PerformedDays of the week the test is performed.
Mon-Fri
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
1-3 days
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Lavender (K2EDTA), or Pink (K2EDTA).
Specimen Preparation
Do not freeze red cells. Transport 7 mL whole blood. (Min: 3 mL)
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Normals are not applicable.
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
No compliance statements are in use for this test.
NoteAdditional information related to the test.
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 CodesThe American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
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.
* 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.
AliasesOther names that describe the test. Synonyms.
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