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Mayo Clinic Laboratories

Test Code GPT Alanine Aminotransferase (ALT/SGPT), Plasma or Serum

Additional Codes

LAB132

Methodology

Used to monitor this liver-specific enzyme.

Performing Laboratory

St. Mary's Regional Medical Center-Chemistry

 

CPT: 84460

Specimen Requirements

Submit only 1 of the following specimens:

 

Plasma

Container/Tube: Light green-top (lithium heparin) tube

Specimen: 1 mL of lithium heparin plasma

Transport Temperature: Ambient

Collection Instructions:

Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).

 

Serum

Container/Tube: Plain, red-top tube or serum gel tube

Specimen: 1 mL of serum

Transport Temperature: Ambient

Collection Instructions:

Note: 1. Indicate serum.

2. Label specimen appropriately (serum).

Reference Values

Males

1-7 days: 20-54 IU/L

8-30 days: 24-54 IU/L

1-3 months: 27-54 IU/L

4-6 months: 26-55 IU/L

7-12 months: 26-59 IU/L

1-3 years: 19-59 IU/L

4-10 years: 24-49 IU/L

12-13 years: 24-68 IU/L

14-15 years: 24-59 IU/L

16-19 years: 24-54 IU/L

>20 years: 30-65 IU/L

Females

1-7 days: 21-54 IU/L

8-30 days: 22-46 IU/L

1-3 months: 26-61 IU/L

4-6 months: 26-51 IU/L

7-12 months: 26-55 IU/L

1-3 years: 24-59 IU/L

4-10 years: 24-49 IU/L

10-13 years: 24-44 IU/L

14-15 years: 19-44 IU/L

16-19 years: 19-49 IU/L

>20 years: 12-78 IU/L

Day(s) Test Set Up

Monday through Sunday

Available STAT