Test Directory

AST:ALT Ratio

Containers - Adult

BrownCapGelClotted.jpg
Brown Capped Gel Tube
Volume Range

0.2 ml

Reference ranges

​<1.0

Laboratory Site

RIE
51 Little France Crescent
Old Dalkeith Road
Edinburgh
EH16 4SA
Telephone (Biochemistry): 0131 242 6806
SJH
Howden Road West
Howden
Livingston
West Lothian
EH54 6PP
Telephone (Biochemistry): 01506 52 3160/1
WGH
Crewe Road South
Edinburgh
EH4 2XU
Telephone (Biochemistry): 0131 537 1910/1

Anticipated turnaround

1 day

General additional information

​Indicated for the work-up of asymptomatic abnormal LFTs. >1.0 Abnormal AST:ALT Ratio; may indicate fibrosis / cirrhosis. Consider GI referral.

This test is not valid if increased AST is from non-hepatic source such as muscle or red cells.