T and B Quantitation, New York
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Test Classification Provides information regarding the medical device classification for laboratory test kits and reagents. Tests may be classified as cleared or approved by the US Food and Drug Administration (FDA) and used per manufacturer's instructions, or as products that do not undergo full FDA review and approval, and are then labeled as an Analyte Specific Reagent (ASR), Investigation Use Only (IUO) product, or a Research Use Only (RUO) product.
This test was developed using an analyte specific reagent. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.
CPT Code Information Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Medical Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.
CPT codes are provided by the performing laboratory.
86355-B cells, total count
86357-Natural killer (NK) cells, total count
86359-T-cells; total count
86360-Absolute CD4/CD8 count with ratio
LOINC® Code Information Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the order and result codes of this test.
LOINC codes are provided by the performing laboratory.
|Test ID||Test Order Name||Order LOINC Value|
|TBNY||T and B Quantitation, New York||80721-4|
|Result ID||Test Result Name||Result LOINC Value|
|9336||T-and B-Cell QN by Flow Cytometry(TBBS_)||No LOINC Needed|
|3321||CD45 Lymph Count, Flow||27071-0|
|3316||% CD3 (T Cells)||8124-0|
|3318||% CD19 (B Cells)||8117-4|
|4054||% CD16+CD56 (NK cells)||18267-5|
|3319||% CD4 (Helper Cells)||8123-2|
|3320||% CD8 (Supp'r Cells)||8101-8|
|3322||CD3 (T Cells)||8122-4|
|3324||CD19 (B Cells)||8116-6|
|4055||CD16+CD56 (NK cells)||20402-4|
|3325||CD4 (Helper Cells)||24467-3|
|3326||CD8 (Supp'r Cells)||14135-8|