Ordering Recommendation
Mnemonic
ALT
Methodology

Quantitative Enzymatic

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Plasma separator tube or serum separator tube.

Specimen Preparation

Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Sodium fluoride/potassium oxalate used as an anticoagulant. Hemolyzed specimens. Specimens containing cellular material.

Remarks
Stability

After separation from cells: Ambient: 3 days; Refrigerated: 1 week; Frozen: 2 weeks

Reference Interval

By report (reports may vary based on instrumentation).

Interpretive Data



Compliance Category

Standard

Note
Hotline History
N/A
CPT Codes

84460

Components
Component Test Code* Component Chart Name LOINC
0020008 Alanine Aminotransferase 1742-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Alanine transaminase
  • ALT
  • AST/ALT ratio
  • GPT
  • Serum glutamic-pyruvic transaminase
  • SGPT
  • Transaminase, SGPT
Alanine Aminotransferase, Serum or Plasma