Test Code CREA Creatinine with Estimated GFR (MDRD), Plasma or Serum

Additional Codes

LAB66

Collection Method

Venous collection

Minimum Volume

0.5ml

Container

Lt Green / Plasma Separator / Lithium Heparin

Acceptable Specimens

Serum:

Gold Top SST
Red Top

Plasma:

Light Geen Top (lithium heparin)

Reference or Target Ranges

Age	Male	Female
0 days up to 7 days	0.2-1.1	0.2-1.1
7 days up to 2 months	0.1-0.6	0.1-0.6
2 months up to 2 years	0.1-0.5	0.1-0.5
2 years up to 10 years	0.1-0.7	0.1-0.6
10 years up to 14 years	0.3-0.9	0.2-0.8
>14 years	0.7-1.30	0.5-1.10

Reportable Units

mg/dL

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold	800 mg/dL
Icterus Threshold	35 mg/dL
Lipemia Threshold	2000 mg/dL
Other	QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability

Ambient	7 days
Refrigerated (4°C to 8°C)	7 days
Frozen(-40°C to 0°C)	3 months

Performance Information

Days and Time Performed	24/7
Expected Turn Around Time	Stat: 1 hour Routine: 4 hours
Stat Availability	Yes
Performing Bench	CPH Chemistry
Methodology/Method Description	Roche Cobas

CPT Codes

82565

Last review/edit date

March 2024