24-Hour urine calcium test

The physician orders a 24-hour urine calcium and we assigned CPT code 82340 , Calcium; urine quantitative, timed specimen. However, at some of our labs, a 24-hour urine calcium test always include a urine creatinine result as well. Because of this, some of our coding professionals feel we should report both CPT code 82340 for the 24-hour urine calcium and CPT code 82570 , Creatinine; other source, for the urine creatinine. Our question is whether it would be appropriate to report both CPT codes when results show both a 24-hour urine calcium and creatinine, but the physician order does not mention creatinine? ...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This premium article discusses a laboratory coding scenario involving a timed urine calcium test and whether additional urine creatinine reporting is supported when it appears in the results but was not part of the physician order. It is aimed at coding professionals, billers, and lab revenue cycle staff who need to align claim reporting with ordered services and lab output. The article focuses on CPT-based lab coding guidance and the distinction between ordered testing and reported results.

Why This Topic Matters

It helps readers distinguish between what a laboratory reports and what should be coded for reimbursement and claim submission in a urine testing scenario.

What You Will Learn

  • How the article frames a timed urine laboratory coding question.
  • How ordered testing relates to laboratory results in a billing context.
  • What general CPT laboratory coding topic the article addresses.
  • How coding staff evaluate multi-result lab scenarios at a high level.

Who Should Read This

  • Medical coders
  • Laboratory billing staff
  • Revenue cycle professionals
  • Compliance staff
  • Pathology and laboratory personnel

Codes Discussed


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