Macroamylase

Test Code

MAMY

Alias/See Also

5499N, 5499X

CPT Codes
82150

Preferred Specimen

2 mL serum

Minimum Volume

1 mL

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days

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

Gross hemolysis

Methodology
Polyethylene Glycol Precipitation • Spectrophotometry (SP)

Setup Schedule

A.M. Sets up 2 days a week.

Report Available

Reports in 2 days.

Clinical Significance

Macroamylase is a laboratory, not a clinical entity. Amylase can complex with immunoglobulins or other high molecular weight proteins. Serum amylase appears falsely elevated. No clinical symptoms are associated with macroamylasemia.

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

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.