CREATININE, SERUM (with EGFR/GFR)

Additional Codes

Software	Test Code
Label Text	CREA
EPIC	LAB10725

Performing Laboratory

NorDx Laboratories

Useful For

Evaluating renal function

Method Name

Enzymatic Colorimetric Assay

Reference Values

Males:
< 1 year: 0.17 - 0.42 mg/dL
1 - < 6 years: 0.19 - 0.49 mg/dL
6 - < 11 years: 0.26 - 0.61 mg/dL
11 - < 16 years: 0.35 - 0.86 mg/dL
≥ 16 years: 0.50 - 1.30 mg/dL

Females:
< 1 year: 0.17 - 0.42 mg/dL
1 - < 6 years: 0.19 - 0.49 mg/dL
6 - < 11 years: 0.26 - 0.61 mg/dL
11 - < 16 years: 0.35 - 0.86 mg/dL
≥ 16 years: 0.59 - 1.04 mg/dL

Dobutamine, Levodopa and Calcium dobesilate (e.g. Dexium) cause artificially low creatinine results at the therapeutic drug level. N-Acetylcysteine at the therapeutic level and the Acetaminophen metabolite N-acetyl-p-benzoquinone imine (NAPQI) cause falsely low creatinine results.
Click here to view the Estimated Glomerular Filtration Rate Interpretation Guide

Days and Times Test Performed

Monday through Sunday

Report Available

1 Day

Available Stat

Profile Information

Individual Test Description
CREATININE
EGFR

Specimen Type

Submit one of the following:

~ Plasma

~ Serum

Preferred Container

Plasma Separator Tube (PST)

Serum Separator Tube (SST)

Preferred Volume

Plasma: 1 mL (Plasma Separator Tube (PST))

Serum: 1 mL (Serum Separator Tube (SST))

Minimum Volume

Plasma: 0.3 mL (Plasma Separator Tube (PST))

Serum: 0.3 mL (Serum Separator Tube (SST))

Specimen Collection and Handling

Spin specimen, separate from clot and send refrigerated.

Specimen Stability Information

Specimen Type: Plasma

Frozen: 3 Months

Refrigerated: 7 Days

Must be spun/separated within: 2 Hours

Specimen Type: Serum

Frozen: 3 Months

Refrigerated: 7 Days

Must be spun/separated within: 2 Hours

Add On Capable

Yes

Advance Beneficiary Notice Requirements

No ABN Required

CPT Code Information

CPT Code	CPT Description	CPT Disclaimer
82565	Creatinine, Blood, Quantitative

Keywords

CREATININE

Performing Laboratory Location