Liver Function Tests

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

LFTN(Refer to lab notes for more information)

Test Code (Numeric Code)

0256

Laboratory Handling

Phlebotomy

Note that AST, albumin and total protein are not included in the LFT profile and must be requested specifically.

Registration

Labplus Order Code: Alpha Code:LFTN,LFTA,LFT (Refer to lab notes for more information), Numeric Code:0256,0173,3057 Labplus Order Code: Alpha Code:TPNS (TPN therapy), Numeric Code:3293 Labplus Fee Code: Alpha Code:BV9

Test Adds Requirement

LFTN (Used for all hand written requests for liver function tests) - Liver Function test - Protein & Albumin LFTA - Liver Function test + AST LFT - Liver Function test - AST

Sample Stability

-

Associated Tests

Synonyms

PLASMA LFT
SERUM LFT
LFT'S

Turnaround Time

3 hours

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
  • Plain (Red Top)
  • SST II (Gold Cap)

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Heparin (Microtainer)
Acceptable
  • Plain(Microtainer)
  • SST(Microtainer)

Pre-testing Requirements

Specimen Collection
The liver function test profile includes:

Alanine aminotransferase (ALT)
Alkaline phosphatase (ALP)
Gamma-glutamyl transferase (GGT)
Bilirubin (total)
Note that AST, albumin and total protein are not included in the LFT profile and must be requested specifically.

Refer to the link below for each individual tests information and reference ranges.

Albumin

ALP

ALT

Amylase

AST

Bilirubin

GGT

LDH

Total Protein

Additional Specimen Information

4.5 mL Adult PST Blood (Preferred)
Micro-PST 0.5 mL Paediatric Micro-PST Blood (Preferred)
Heparin 5 mL Adult Heparin Blood
Plain 4 mL Adult Plain Blood
SST 3.5 mL Adult SST Blood
Microsample 0.5 mL Paediatric Microsample Blood
Micro-heparin 0.5 mL Paediatric Micro-heparin Blood
Micro-SST 0.5 mL Paediatric Micro-SST Blood

Last updated: 30/03/2026