AST (Roche)

General Information

Method

Spectrophotometry

Reference Range

Units: U/L

Female		Male		Unknown
Age	Range	Age	Range	Age	Range
0	0-35	0	0-50	0	0-35

Effective date: 01/12/2026

Specimen Type: Peripheral Blood
Collection: HMC and UWMC Onsite Locations
Preferred: 4 mL blood in LIME GREEN PST tube
Also Acceptable: 4 mL blood in Orange RST, Gold SST, Red Top, and Green Top tube
Pediatric: 1 full LIME Green Microtainer (Gold Acceptable)
Unacceptable: Gray Top

Offsite Clinic or Other Locations
Preferred: 4 mL blood in Gold SST tube
Also Acceptable: 4 mL blood in Orange RST, Gold SST, Red Top, and Green Top tube
Pediatric: 1 full LIME Green Microtainer (Gold Acceptable)
Unacceptable: Gray Top
Quantity: Requested: 1 mL Serum/Plasma
Minimum: 0.5 mL Serum/Plasma

Receiving Instructions: Refrigerate serum/plasma

Unacceptable: Hemolysis

Note: If ordered with Alanine Aminotransferase, see ALT and AST [ALST].

Lab Department

Chemistry, Automated Panels(CHA)

Frequency

Monday through Sunday

Available STAT?

Yes

Performing Location(s)

FHCC	FHCC Peninsula Laboratory 19917 7th Ave NE Ste 100, Poulsbo, WA 98370-6555	Phone: 360-842-5116 Fax: 360-842-5150 Hours of Operation: 8:00 a.m. - 5:00 p.m.