Sign in →

Test Code AST.2 ASPARTATE AMINIO TRANSFERASE

Methodology

Multiple-point Rate

Useful in the diagnosis and monitoring of liver disease; particularly diseases resulting in a destruction of hepatocytes.

Specimen Requirements

Submit only 1 of the following specimens:

Preferred:

Serum

Serum Gel Tube

Container/Tube: Serum gel tube(s)
Specimen Volume: 1 mL (minimum volume: 0.5 mL) of serum

Collection Instructions:

  1. Spin down within 4 hours of draw.
  2. Hemolyzed specimen is not acceptable.
  3. Label specimen appropriately (serum).

Alternate:

Serum

Plain, Red-Top Tube

Container/Tube: Plain, red-top tube(s)
Specimen Volume: 1 mL (minimum volume: 0.5 mL) of serum

Collection Instructions:

  1. Spin down within 4 hours of draw.
  2. Hemolyzed specimen is not acceptable.
  3. Label specimen appropriately (serum).

Alternate:

Plasma

Container/Tube: Green-top (lithium heparin) tube(s)

Specimen Volume: 1 mL (minimum volume: 0.5 mL) of plasma

Collection Instructions:

  1. Spin down within 4 hours of draw.
  2. Hemolyzed specimen is not acceptable.
  3. Label specimen appropriately (plasma).

Day(s) Test Set Up

Monday through Sunday

Reference Values

Males

<1 month: 35-140 units/L

1 month-7 years: 20-60 units/L

7-20 years: 10-50 units/L

>20 years: 8-44 units/L

Females

<1 month: 35-140 units/L

1 month-7 years: 20-60 units/L

7-20 years: 10-50 units/L

>20 years: 7-40 units/L

Performing Laboratory

Logan Health Medical Center-Chemistry

Test Classification and CPT Coding

84450

Specimen Transport Temperature

Refrigerate