Alanine Aminotransferase (ALT)

Synonyms

• ALANINE AMINOTRANSFERASE (ALT/SGPT)
• ALT
• LAB132
• SGPT

Cerner Name

SGPT

Clinical Info

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Specimen Volume

Container

Gold Top Tube

Collection Instructions

Submit only 1 of the following specimens:
 
Plasma
Container/Tube:  Mint green-top (lithium heparin gel) tube(s)
Specimen:  1 mL of lithium heparin plasma
Transport Temperature:  Refrigerate
Collection Instructions:
Note:  1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).
 
Serum
Container/Tube:  Gold-top tube(s)
Specimen:  1 mL of serum
Transport Temperature:  Refrigerate
Collection Instructions:
Note:  1. Indicate serum on request form.
2. Label specimen appropriately (serum).

Transport Instructions

Refrigerate

Specimen Stability

3 days Room Temperature
7 days Refrigerated
>7 days Frozen
Freeze only once

Methodology

Photometric Rate, L-Alanine with Pyridoxal-5-Phosphate

Days Performed

Monday through Sunday

Performing Laboratories

Northwell Health Laboratories

CPT

84460

PDM

5300135

Results

Result Interpretation

Forms

• ALT Update 04/28/2025