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Test ID: NKCP    
Natural Killer (NK) Cytotoxicity Profile

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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.

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 result codes returned for this test or profile.

Result IDReporting NameLOINC Code
15253% Cyto. E:T 100In Process
9336T-and B-Cell QN by Flow Cytometry(TBBS_)In Process
15265Lytic UnitsIn Process
15266Comment48767-8
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
6657Comment48767-8