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Lab Test Dictionary

Foxp3 Protein Expression

Methodology

Flow Cytometry


Synonyms

Fox p3; IPEX; Immune dysregulation polyendocrinopathy enteropathy X-linked syndrome; T-reg cells

Specimen Type

Whole Blood

Performing Lab

Cincinnati Children's Diagnostic Immunology


Epic ID

Other Genetic Test

Lab Test Days

Monday-Friday

Standard TAT

2 Days


Collection Information

Specimen Required

1 mL Whole Blood

Container Type

Lavender (EDTA)

Collection Instructions

Collect Monday-Thursday 0800-1300 Only, no weekends or holidays. A concurrent CBC/Diff should be drawn with this assay or the results of a concurrent CBC/Diff should be sent so that absolute cell values can be reported.


Processing Information - Lab Use Only

Transport Temperature

Ambient-Only

Specimen Stability

Room Temp: 24 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable

Test Volume Required

1 mL Whole Blood

Minimum Test Volume

1 mL Whole Blood

Processing Instructions

A concurrent CBC/Diff should be drawn with this assay or the results of a concurrent CBC/Diff should be sent so that absolute cell values can be reported. Complete a Cincinnati Children's Diagnostic Immunology requisition and submit with the concurrent CBC/Diff result and specimen room temp Monday-Thursday only, no weekends or holidays.


Included Tests

Population of T-regulatory cells, Expression of Foxp3 among T-regulatory cells


Comments

Insurance authorization required prior to draw for outpatients. Ok to send on inpatients.


CPT Codes

88184, 88185 (x3), 88187


Revised

11-16-17

Initials

SL