Glucose Phosphate Isomerase, Erythrocytes [39500X]

Test Code

CPT Codes

Preferred Specimen
6 mL whole blood collected in an ACD-B (yellow-top) tube

Minimum Volume
1 mL

Do not transfer blood to other containers. Specimen cannot be frozen.

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable


Kinetic Spectrophotometry (SP)

Setup Schedule
Set up: Mon-Sat a.m.; Report available: 3 days

Reference Range
39.3-57.7 U/g hgb

Performing Laboratory
Mayo Medical Laboratories
200 First Street SW
Rochester, MN 55905

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.