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Test ID AMISO Amylase, Isoenzymes, Serum


Necessary Information


Age and sex of patient are required.



Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged and the serum aliquoted into a plastic vial within 2 hours of collection.


Secondary ID

604930

Useful For

Ruling out salivary amylase as the cause of elevated serum amylase

Testing Algorithm

Total and pancreatic amylase are measured in the submitted serum specimen. Salivary amylase is calculated as the difference between the two measured results (salivary amylase = total amylase-pancreatic amylase).

Specimen Type

Serum

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 30 days
  Frozen  30 days
  Ambient  7 days

Reject Due To

Gross hemolysis Reject

Reference Values

AMYLASE, TOTAL

0-30 days: ≤6 U/L

31-182 days: 1-17 U/L

183-365 days: 6-44 U/L

1-3 years: 8-79 U/L

4-17 years: 21-110 U/L

≥18 years: 28-100 U/L

 

AMYLASE, PANCREATIC

0-<24 months: ≤20 U/L

2-<18 years: 9-35 U/L

≥18 years: 13-53 U/L

 

AMYLASE, SALIVARY

0-<18 years: Not established

≥18 years: ≤86 U/L

Day(s) Performed

Monday through Sunday

Report Available

1 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82150 x 2

Forms

If not ordering electronically, complete, print, and send Gastroenterology and Hepatology Test Request (T728) with the specimen.