MELANOCYTE STIMULATION HORMONE, ALPHA (a-MSH)

Specimen Required
Patient should not be on any steroid, ACTH, or hypertension medication, if possible, for 48 hours prior to specimen collection. Draw blood in lavender EDTA. Centrifuge, separate plasma from cells within 2 hours of collection. Send 3.0 mL plasma (1.0 mL minimum) frozen in a screw-capped plastic vial. CRITICAL FROZEN.

Methodology
Quantitative Radioimmunoassay

Stability
Room temperature: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month

Reference Range
By report

Performed
Varies

Turnaround Time10-16 days
Test CodeMSHAL
CPT-4 Code (s)
83519
LOINC Codes
1820-0

Warde
Medical
Laboratory