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Test Code LAB131 Aspartate Aminotransferase (AST), Plasma or Serum

Reporting Title

AST

Methodology

Roche Diagnostics: RMH, BH, DH, DMH, GCMH, GMC, GMH, MGH, MH, OBH, PMH, WECC, HMH, SH

AST is present in numerous tissues. Elevated levels are mostly associated with myocardial infarction, hepatic disease, muscular dystrophy, and organ disease.

Performing Laboratory

OhioHealth Laboratory Services - RMH, BH, DH, DMH, GCMH, GMC, GMH, HMH, MGH, MH, OBH, PMH, SH, WECC Core Laboratories

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Serum

Draw blood in a gold-top serum gel tube(s). (Hemolyzed specimen is not acceptable.) Spin down and send 1 mL of serum refrigerated.
Note:

1. A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.

2. Indicate serum on request form.

3. Label specimen appropriately (serum).

 

Alternate: 

Plasma

Draw blood in a mint green-top (heparin) gel tube(s). (Hemolyzed specimen is not acceptable.) Spin down and send 1 mL of heparinized plasma refrigerated.

Note:  1. Indicate plasma on request form.

2. Label specimen appropriately (plasma).

Specimen Stability Information

Specimen Type Temperature Time
Serum or plasma Refrigerated 7 days
  Ambient  3 day
  Frozen  1 month

 

Specimen Transport Temperature

Refrigerate:OK

Ambient: OK

Frozen: OK

Reference Values

Males: 0-50 U/L

Females: 0-35 U/L

Day(s) Test Set Up

Monday through Sunday- Continuously

Test Classification and CPT Coding

84450