AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2018 Issue 4; New/Revised ICD-10-CM Codes
Abnormal Findings in Urine
One of the most commonly used diagnostic tests for patients who form kidney stones is a urine collection test looking for abnormal levels of certain substances. When these abnormalities are identified, treatment can be started to reduce the risk of future stone formation. The American Urological Association (AUA) requested the creation of new codes for specific abnormal findings in urine collection to help with research and public health. The new codes are as follows: Hypocitraturia (R82.991) – Low levels of citrate in the urine is usually defined, as citrate excretion of less than 320 mg/day but in severe...
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Article Overview
This premium article covers abnormal urine findings commonly encountered in metabolic evaluation for kidney stone risk and explains why new diagnosis codes were created or revised for these findings. It is aimed at coders, clinical documentation staff, and healthcare professionals who work with urology, nephrolithiasis, laboratory interpretation, and ICD-10-CM updates. The article also notes how one existing diagnosis code was revised and distinguishes it from other urine-chemistry abnormalities discussed in the article.
Why This Topic Matters
Accurate capture of urine abnormality findings supports documentation, research, and public health reporting in patients evaluated for stone disease. It also helps users understand how the ICD-10-CM code set changed for these urine-related diagnoses.
What You Will Learn
- Which urine chemistry abnormalities are discussed in relation to kidney stone evaluation
- Why new or revised diagnosis coding was requested for these findings
- How the article frames the relationship between urine abnormalities and stone risk
- What general clinical contexts are associated with these abnormal findings
- Which ICD-10-CM urine abnormality codes are referenced in the update
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation specialists
- Urology staff
- Nephrology staff
- Healthcare researchers
- Public health analysts
Codes Discussed
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