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Creatinine

Mint Green Plasma Separator Tube

Tube Type

Includes: Estimated Glomerular Filtration Rate

Test ID LAB383
EPIC ORDER
CREATININE
CPT Code(s) 82565
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station Routine 30; STAT 888
Specimen Routine: 1 mL blood/Li Heparin plasma separator tube / Also acceptable serum (Gold SST / Red Top Tube)
micro: 200 µL blood/mint green top bullet/gold top/red top
Stability
Unspun: 6 hours
Spun: RoomTemp -- 5 days
Refrigerator: 30 days
Frozen: 6 months
Stability

Unspun:

Spun/Separated:

6 hours
RoomTemp -- 5 days
Refrigerator: 30 days
Frozen: 6 months
Availability 24 Hours/Day
Turnaround Time STAT 1 hr., Routine 2 hrs.
Reference Range Normal:
Creatinine
Age Range (mg/dL)
Day 1 0.42-0.92
Day 2 0.36-0.78
Day 3 0.33-0.70
Day 4 0.31-0.66
Day 5 0.28-0.62
Day 6 0.27-0.60
Day 7 0.26-0.58
Week 2 0.24-0.52
Week 3 0.21-0.49
Week 4 0.19-0.42
Month 2 0.17-0.37
Month 3 0.16-0.34
Month 4-9 0.16-0.34
Month 10-2 years 0.17-0.36
2-5 years 0.20-0.40
5-12 years 0.30-0.60
12-15 years 0.40-0.80
Female Male
15-18 years 0.50-0.80 0.60-1.00
>18 years 0.60-0.80 0.60-1.10
Reference Ranges effective 7/13/2021
Comments
The eGFR is calculated with the CKD EPI (2009) equation using the serum creatinine, age, gender and race of the patient when the patient is  >18 yrs old. The serum creatinine is IDMS traceable.
Reference Range: eGFR (ages 18-70): >60 mL/min/1.73M2
eGFR Values >90 will be reported as such.

eGFR Calculator

Reviewed by Christopher Parker on July 13, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514