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Test Code N.ALT ALANINE AMINOTRANSFERASE (ALT)/(GPT)

Important Note

NO AMMONIUM HEPARIN TUBES

ALTERNATIVE NAME: GLUTAMIC PYRUVIC TRANSAMINASE (GPT)

Methodology

Automated Chemistry Analyzer (ALINITY)

Specimen Requirements

Specimen Type: Serum or Plasma
Container/Tube: SST, EDTA or Lithium Heparin
Specimen Volume: 1 mL (minimum 0.5)
Collection Instructions: 

  1. Allow specimen to clot completely if a serum tube (SST) was used.
  2. Separate serum (SST) or plasma (Lithium Heparin) from cells within 24 hours and transport refrigerated. If red top tube is collected, separate serum from cells within 2 hours and place in separate plastic tube.
  3. Properly label tube with patient's name, DOB, requisition number and type of tube, i.e. LiHep or NaHep etc.

Specimen Transport/Stability

Refrigerated: 7 days

Specimen Rejection

1. Grossly hemolyzed

2. Exceeding stability requirements

3. Unlabeled specimen

Maximum Laboratory Time

24 - 48 hours

Reference Ranges

ALT (SGPT)       IU/L
Newborn      1 - 25
3 days  F      4 - 35
             M      7 - 46
18 years      10 - 60

 

 

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

84460