Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Monitor response to CD3 immunosuppressive therapy.
MnemonicUnique test identifier.
CD3
MethodologyProcess(es) used to perform the test.
Quantitative Flow Cytometry
PerformedDays of the week the test is performed.
Sun-Sat
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
1-2 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
Draw specimen before administering immunosuppressive medications.
Collect
Green (Sodium or Lithium Heparin), Lavender (EDTA), or Pink (K2EDTA).
Specimen Preparation
Transport 5 mL whole blood. (Min: 0.5 mL)
Storage/Transport Temperature
Room temperature. Also acceptable: Refrigerated.
Unacceptable Conditions
Clotted or hemolyzed specimens.
Remarks
Specimens must be analyzed within 72 hours of collection. New York State Clients: EDTA specimens must be analyzed within 30 hours of collection. Heparin specimens must be analyzed within 48 hours of collection.
Stability
Ambient: 72 hours; Refrigerated: 72 hours; Frozen: Unacceptable New York State Clients: EDTA: Ambient: 30 hours; Refrigerated: 30 hours; Frozen: Unacceptable Heparin: Ambient: 48 hours; Refrigerated: 48 hours; Frozen: Unacceptable
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Effective February 20, 2018
Components
17 years and older
%CD3
56-85 %
Abs CD3
633-2532 cells/µL
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
In this test, the percent CD3 cells are those cells that are positive for both CD3 and the alpha-beta chain of the T-cell receptor (TCR) and are presumed immunologically competent.
Compliance Category
Analyte Specific Reagent (ASR)
NoteAdditional information related to the test.
THIS TEST IS FOR TRANSPLANT PATIENTS ONLY. Effective immunosuppressive therapy with OKT3 can be documented by verifying CD3 antigen removal using this test. For immunocompromised patients, order Lymphocyte Subset Panel 4 - T-Cell subsets Percent & Absolute (0095950).
Hotline History
N/A
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.
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