Creatinine; clearance
Relative Value Units (RVUs)
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Clinical Information
When to Use
Creatinine clearance test using 24-hour urine collection and serum creatinine for kidney function assessment
Common Scenarios
Documentation Requirements
- Order from physician required
- 24-hour urine collection documented
- Serum creatinine documented
- Test results documented
- Clinical interpretation if applicable
Coding Guidelines
Common Modifiers
Bundling Rules
- Includes 24-hour urine collection and serum creatinine
- May be billed with blood creatinine (82565) on same day
Exclusions
- Do not bill if 24-hour collection not performed
Coding Notes
Clinical scenarios
- Order from physician required
- 24-hour urine collection documented
- Serum creatinine documented
- Order from physician required
- 24-hour urine collection documented
- Serum creatinine documented
- Order from physician required
- 24-hour urine collection documented
- Serum creatinine documented
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Code Details
Medicare Pricing
PFSRVU Breakdown
OPPS Details
National Limit: $5.18
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Ask a QuestionFrequently Asked Questions
CPT 82570 is the billing code for "Creatinine; clearance". Creatinine clearance test using 24-hour urine collection and serum creatinine for kidney function assessment
CPT 82570 has a total RVU of 0.57, broken down as: Work RVU 0.10, Practice Expense RVU 0.45, and Malpractice RVU 0.02. RVUs (Relative Value Units) determine Medicare reimbursement rates.
Key documentation requirements for CPT 82570 include: Order from physician required; 24-hour urine collection documented; Serum creatinine documented; Test results documented. Missing or incomplete documentation is a leading cause of claim denials for this code.
Bundling considerations for CPT 82570: Includes 24-hour urine collection and serum creatinine. May be billed with blood creatinine (82565) on same day Use an NCCI bundling checker to verify specific code combinations before billing.
Common modifiers for CPT 82570 include: 26 (Professional component only (interpretation)), TC (Technical component only (performance)), 91 (Repeat clinical diagnostic laboratory test, same day). Modifiers indicate special circumstances and can affect reimbursement or prevent claim denials.
The typical time requirement for CPT 82570 is 24-hour urine collection plus serum creatinine - results typically available within days. Time-based codes require documentation of the actual time spent providing the service.