NKCP - Fees: Natural Killer (NK) Cytotoxicity Profile

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Test ID: NKCP    
Natural Killer (NK) Cytotoxicity Profile

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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.

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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

86805-Lymphocytotoxicity assay, visual crossmatch; with titration

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 IDTest Order NameOrder LOINC Value
NKCPN.K. Cytotoxicity ProfileIn Process


Result IDTest Result NameResult LOINC Value
15253% Cyto. E:T 100In Process
9336T-and B-Cell QN by Flow Cytometry(TBBS_)In Process
15265Lytic UnitsNo LOINC Needed
15255% Cyto. E:T 50In Process
3321CD45 Lymph Count, Flow27071-0
3316% CD3 (T Cells)8124-0
15257% Cyto. E:T 25In Process
15259% Cyto. E:T 12.5In Process
3318% CD19 (B Cells)8117-4
15261% Cyto. E:T 6.25In Process
4054% CD16+CD56 (NK cells)18267-5
3319% CD4 (Helper Cells)8123-2
15263% Cyto. E:T 3.13In Process
3320% CD8 (Supp'r Cells)8101-8
3322CD3 (T Cells)8122-4
3324CD19 (B Cells)8116-6
4055CD16+CD56 (NK cells)20402-4
3325CD4 (Helper Cells)24467-3
3326CD8 (Supp'r Cells)14135-8
3327H/S Ratio54218-3