Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Initial test in the workup of suspected immunoglobulin disorders. Order in conjunction with serum protein electrophoresis and immunofixation to rule out monoclonal gammopathies, including multiple myeloma, in adults and older children (>15 years) with suspected hypogammaglobulinemia.
MnemonicUnique test identifier.
MethodologyProcess(es) used to perform the test.
PerformedDays of the week the test is performed.
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
Within 24 hours
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Serum separator tube or green (sodium or lithium heparin).
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: 0.6 mL)
After separation from cells: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 1 year (if frozen within 24 hours)
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
NoteAdditional information related to the test.
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.
* 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.