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Macroamylase determination-994

Test info

Test name:

Macroamylase determination

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Specimen

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

2.0 mL

Minimum volume:

1.1 mL

Collection instructions:

Immediately following collection, mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection

Transport container:

Gold serum separator (SST) tube

Alternate collection container:

Red serum vial/tube, 5 mL

Alternate processing instructions:

Allow sample to clot
Spin
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum, within two (2) hours of sample collection

Alternate transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Transport and stability:

Ambient (preferred) - 1 week

Refrigerated - 1 month

Frozen - 1 month

Reason for rejection:

Specimens containing calcium chelating anticoagulants such as citrates, EDTA, or oxalates

Performance

Performing lab:

ARUP (2004464) via LabCorp (806832): R-NX

Days set up:

Thu

TAT:

2 - 9 days

Method:

Quantitative Ultrafiltration/Quantitative Enzymatic

Clinical and Interpretive info

Reference ranges:

See report

Clinical information:

An amylase, monomeric result above the upper reference limit is consistent with hyperamylasemia. An amylase, percent monomeric less than 71 percent suggests the presence of macroamylase.

Billing

CPT codes:

84999
82150

LOINC code:

Result 1798-8

Tracking

Date created:

05/20/2019

Revised date:

12/18/2023

Review date:

12/18/2023