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Test Code LAB132 Alanine Aminotransferase (ALT), Plasma or Serum

Additional Codes

45046

Reporting Title

ALT

Methodology

Roche Diagnostics  - RMH, GMC, DH, DMH, GMH, DHC, WECC, PMC, GCMH

Siemens Diagnostics- MGH, HMH, OMH, MH, SH

 

ALT originates primarily in the liver, but also in kidneys, heart, skeletal muscle, and other organs. It is elevated with hepatic disease, myocardial infarction, muscular dystrophy, and organ damage.

Performing Laboratory

OhioHealth Laboratory Services-RMH,GMC,DH,DMH, GMH. MGH, WECC, PMC, DHC, HMH, OMH, MH, SH GCMH Core Laboratories

 

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Serum

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

Note:  1. A specked 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: Preferred for Siemens Users

Plasma

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

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 days
  Frozen  2 months

 

Specimen Transport Temperature

Refrigerate/Ambient OK/Frozen OK

Reference Values

0-40 U/L      RMH, GMC, DH, DMH, GMH, DHC, WECC, PMC

 

14-65 U/L    MGH, HMH, OMH, SH, MH

Day(s) Test Set Up

Monday through Sunday; Continuously

Test Classification and CPT Coding

84460