AST

General Information

Lab Name

AST

Lab Code

ASTG

Epic Name

AST

Synonyms

Aspartate Aminotransferase, SGOT

Components

Code Name
AST AST (Beckman)
ASTRD AST (Roche)

Interpretation

Method

Spectrophotometry

Reference Range

See individual components

Ordering & Collection

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

Processing

Refrigerate serum/plasma

Unacceptable: Hemolysis

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

Performance

LIS Dept Code

Chemistry, Automated Panels (CHA)

Performing Location(s)

HMC Chemistry, Automated
206-520-4600

325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
UW-NW Main Lab
206-668-1344

UW Medical Center – Northwest
1550 N 115th Street, A200
Seattle, WA 98133
FHCC Fred Hutch Alliance Lab
206-606-1088

825 Eastlake Ave, Seattle, WA 98109

Fax: 206-606-2027
Hours of Operation: 6:00 a.m. - 10:00 p.m.

Includes satellite labs:
• SAIM - Sloan Clinic 1, 6th Floor
• FHH3 - Sloan Clinic 2, 3rd Floor
• FHH4 - Sloan Clinic 2, 4th Floor
UW-MT Chemistry, Automated
206-520-4600

Clinical Lab, Room NW220,
University of Washington Medical Center,
1959 NE Pacific street, Seattle, WA 98195

Frequency

Daily

Available STAT?

Yes

Billing & Coding

CPT codes

84450

LOINC

1920-8

Interfaced Order Code

UOW6403