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Test Code LAB383 Creatinine

Performing Lab

Arnot Ogden Medical Center/ Ira Davenport Memorial Hospital

Ordering Recommendations

Creatinine:
-Diagnosing and monitoring treatment of acute and chronic renal diseases
-Adjusting dosage of renally excreted medications
-Monitoring renal transplant recipients

 *Includes GFR calculation.

Estimated Glomerular Filtration Rate (eGFR):
-Serum creatinine measurement is used in estimating GFR for people with chronic kidney disease (CKD) and those with risk factors for CKD (diabetes, hypertension, cardiovascular disease, and family history of kidney disease).

Included in BMP, CMP & Renal Panel.

Collect

Serum or Plasma

Collection Device

Lithium Heparin Green Top Tube or Gold Top Tube

Specimen Handling

Centrifuge within 2 hours of collection.

Stability (from collection to initiation)

Room Temp

8 Hours
Refrigerated 7 days
Frozen Indefinitely

Storage/Transport Temperature

Refrigerated

Specimen Volume

5 mL

Minimum Requirements

1 mL

Remarks

TURN AROUND TIME

STAT

1 Hour
Routine

8 Hours

Methodology

Jaffe Rate Absorbance

Start Date

9/13/2017

Last Review Date

06/26/2025

7/8/25 AP