Soluble IL-2R

Test Code

900461

CPT Codes
83520<br>Restricted Client Code

Preferred Specimen

3 mL whole blood collected in EDTA (lavender-top) tube

Minimum Volume

1 mL

Other Acceptable Specimens

Plasma submitted in plasma separation tube

Instructions

Keep sample as whole blood for delivery to our lab within 24 hours of collection. If delivery cannot occur within 24 hours, separate plasma from cells within 24 hours of collection. Freeze immediately at -20°C or lower. Whole blood must remain at room temperature at all times after collection until received in our lab. Separated plasma samples that have been frozen must be sent with enough dry ice to maintain a frozen state until received in our lab.

Due to limited stability, specimens must be sent directly to Cincinnati Children's Hospital by express shipping. Send Monday through Thursday only. Georgetown must contact Chantilly referral testing client services department before shipping.

Transport Temperature

Whole blood: Room temperature
Plasma: Frozen

Specimen Stability

Whole blood
Room temperature: 24 hours
Refrigerated: Unacceptable
Frozen: Unacceptable

Plasma
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 6 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Whole blood sent frozen or refrigerated • Separated plasma sent room temperature or refrigerated

Methodology
Chemiluminescence Assay • Immunoassay

Setup Schedule

Set up: Mon-Fri; Report available: 2 days

Reference Range

See Laboratory Report

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.