Sign in →

Test Code LAB3831 Foxp3 Protein Expression

Important Note

Collect Monday through Thursday 1000 AM - 1400 PM. No off-site collections.

Note: This test cannot be collected on a holiday.

Clinical System Name

Foxp3 Protein Expression

Synonyms

IPEX

Immune dysregulation polyendocrinopathy enteropathy X-linked syndrome

T-reg cells

Description

Tests Included: Population of T-regulatory cells, Expression of Foxp3 among T-regulatory cells

 

Note: 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.

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA

Preferred Vol: 1.0 mL

Minimum Vol: 1.0 mL

 

Note: Samples must be drawn Monday through Thursday, 1000 AM and 1400 PM ONLY. Samples drawn outside of these times may be rejected. If drawn outside of the times, contact the Send Outs department at ext. 7-2563 for further clarification. Send sample(s) to Main Lab immediately after collection. Specimens are stable for only 24 hours at room temperature.

Processing Instructions

Reject due to: Frozen, clotted, hemolyzed or centrifuged specimens. Specimen collected in an unacceptable anticoagulant.

Spin: N

Aliquot: N

Temp: RT

Storage Location: Affix a large Epic label to the sample(s), place in the room temperature Send Outs rack, and notify the Send Outs department

 

Off-site collection: No off-site collection.

Stability

Specimen Type Temperature Time
  Room temp 24 h
  Refrigerated Unacceptable
  Frozen Unacceptable

 

Availability

STAT Performed TAT
N M - F 2 - 4 d

 

Performing Laboratory

Cincinnati Children's Hospital

CCHMC - Julie Beach

Diagnostic Immunology Laboratory, Rm R2328

3333 Burnet Avenue

Cincinnati, OH 45229-3039

 

Phone Number: (513) 636-4685

Department

Department: Send Outs

Phone Number: (206) 987-2563

CPT Codes

88184, 88185 (x3)

Reference Ranges

%, cells/mcL

Methodology

Method: Flow Cytometry

Analytical Volume: 1.0 mL EDTA Whole Blood

Limitations:

Send Out Instructions

Reference Lab Test Name Foxp3 Protein Expression
Reference Lab Test Code 2904100
Instructions Ship ambient, Monday through Friday, via FedEx Priority Overnight. Saturday deliveries are not acceptable.