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HelpTest Code LAB4027 BUN/CREATININE RATIO, CALC
Additional Codes
Internal: 10451
External: BUNCRE
Beaker: LAB4027
PERFORMED AT
SBH LABORATORY
SRH LABORATORY
SMH LABORATORY
SPH LABORATORY
HDH LABORATORY
Specimen Requirements
Container Type: Lithium Heparin (Green Top) or Serum Separator (Gold Top)
Specimen Type: Plasma or Serum
Preferred Volume: 1 mL
Emergency Minimum Volume: 0.3 mL
Specimen Processing: Separate serum or plasma from cells as soon as possible by centrifugation. Store and transport refrigerated.
Alternate Specimens: Plain Serum Tube (Red Top), EDTA Plasma (Lavender Top)
Stability:
| Temperature | Time |
|---|---|
| Room Temp | 7 days |
| Refrigerated | 7 days |
| Frozen (-20 øC) | 3 months |
Method
Colorimetric, Enzymatic, Calculation
CPT Codes
84520, 82565
Department
Chemistry
Test Schedule
Daily & STAT
Test Includes
BUN (UREA), mg/dL; Creatinine, mg/dL; Bun/Creatinine ratio.
Reference Lab
SCHS