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Creatinine, 24 Hour Urine

eDH Procedure Code(s)

LAB712 Creatinine, Urine, 24 hour
LAB4080 Cystinuria Panel 24 Hour Urine
LAB709 Stone risk profile, 24 hour Urine

Collection Questions

  • Enter duration of urine collection (hr)
  • Enter volume of urine collected (ml)

Collection Information

Urine must be collected for 24 hours with no preservative and urine must be kept refrigerated during collection.
If urine must be collected with a preservative for other analytes, only Jug # 12 (HCl) or Jug # 2 (Boric Acid) are acceptable.

Specimen Information

Specimen Type Specimen Source Acceptable Containers Minimum Test Volume (mL)
Urine Urine, 24 Hour 24hUr-R 0.1

Shipping and Handling

Processing Instructions: No pH Adjustment. If urine must be collected with a
preservative for other analytes, only hydrochloric acid (14 to 47 mmol/L
urine, e.g. 5mL 10 % HCl or 5mL 30 % HCl per liter urine) or boric acid (81
mmol/L, e.g. 5g per liter urine) may be used.

Transport Temperature: Refrigerated
Transport Instructions: N/A

Specimen Stability Unprocessed
Unprocessed: N/A
Specimen Stability Post Processing
Ambient: 2 Days
Refrigerate: 6 Days
Frozen: 6 Months

Test Components

Component LOINC Code
CREATININE, 24 HOUR URINE 2162-6
TIME COLLECTED 74751-9
TOTAL VOLUME 3167-4

Turnaround Time (TAT)

STAT 1 Hour
Routine 4 Hours

CPT Code(s)

81050

Performing Lab Section

Chemistry

Performing Lab(s)

Cheshire Medical Center Laboratory (CHE)
Dartmouth Hitchcock Medical Center Laboratory (MHMH)