Creatinine

General Information

Lab Name
Creatinine
Lab Code
CREG
Epic Name
Creatinine
Description

Estimated glomerular filtration rate is calculated from creatinine using the Chronic Kidney Disease Epidemiology equation without a race parameter, which was established in 2021. N Engl J Med 2021;385:1737-49. DOI: 10.1056/NEJMoa2102953

Components

Interpretation

Method

Spectrophotometric

Reference Range
See individual components

Ordering & Collection

Specimen Type
Blood
Collection

HMC and UW-MT Onsite Locations:
Preferred: 4 mL blood in LIME GREEN PST tube
Also Acceptable: 4 mL blood in ORANGE RST, GOLD SST, RED TOP or GREEN TOP tube
Pediatric: 1 Full LIME GREEN MICROTAINER

Offsite Clinic or Other Locations:
Preferred:
4 mL blood in GOLD SST tube
Also Acceptable: 4 mL blood in ORANGE RST, LIME GREEN PST, RED TOP or GREEN TOP tube
Pediatric: 1 Full LIME GREEN MICROTAINER

Quantity
Requested: 0.3 mL serum/plasma
Minimum: 0.1 mL serum/plasma

Processing

Receiving Instructions

Refrigerate serum/plasma

Misc Sendout

Performance

Lab Department
Chemistry, Automated Panels(CHA)
Frequency
Daily
Available STAT?
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

UW-MT Chemistry, Automated
206-520-4600

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

FHCC Fred Hutch Community Lab, Evergreen Campus
425-441-2640

10240 NE 128th St
Kirkland, WA 98034

Billing & Coding

CPT Codes
82565
LOINC
45066-8
Interfaced Order Code
UOW5642
Interfaced Result Code
UOW5642