Protein / Creatinine Ratio
Test Mnemonic
PRATIO
CPT Codes
- 82570 - QTY (1)
- 84156 - QTY (1)
LOINC ®
2890-2
Aliases
- Protein Creatinine Ratio
- Urine Protein Creatinine Ratio
Includes
- UTPR, Urine total protein
- UCRR, Urine creatinine, random
- Calculated urine protein/creatinine ratio
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 mL | Urine, random | Clean container | Refrigerated | No Preservative |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 1 day |
| Refrigerated | 6 days |
| Frozen | 1 month |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Spectrophotometry (S) |
Reference Range
| Creatinine, Urine | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 20 - 300 | mg/dL | |
| Protein / Creatinine Ratio | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | <0.15 |
Clinical Info
Adult Proteinuria Categories: <0.15 mg/mg is considered normal to mildly increased 0.15 – 0.50 mg/mg is considered moderately increased >0.50 mg/mg is considered severely increased KDIGO. (2013). KDIGO 2012 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease. Official Journal of the International Society of Nephrology, 3(1), 1-150.