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Test Directory

Test Directory Macroamylase

Macroamylase

Test Summary

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.

Aliases

Specimen Collection

Special Instructions

N/A

Preferred Specimen

2 mL serum

Minimum Volume

1 mL

Instructions

N/A

Patient Preparation

N/A

Storage

Plastic screw-cap vial

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room Temperature = Unacceptable
Refrigerated = 7 days
Frozen = 30 days

Limitations

N/A

Other Acceptable Specimens

Unacceptable Specimens

gross hemolysis

Order Code

MAMY

EPIC (Premier) Code

LAB3574

Includes

N/A

CPT Code

82150

Billing Code

670154

CPT Statement

Methodology

Polyethylene Glycol Precipitation
Spectrophotometry

FDA Status

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675

Department

Reference Testing

Reference Range

Not detected

Setup Schedule / Expected Turnaround Time

Tuesday, Thursday; Report available: 3 - 7 days