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R35.81

Billable

Nocturnal polyuria

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Excessive urine production specifically during nighttime hours, leading to frequent nighttime urination.

Coding Tips

  • •This differs from nocturia in that the problem is excessive urine production at night, not just frequent urination
  • •Often associated with conditions like sleep apnea, heart failure, or diabetes; document the underlying cause if identified

Excludes 2 — Not included here, may code separately

Code Hierarchy

└R35Polyuria└R35.8Other polyuria└R35.81Nocturnal polyuria
└R35.81Nocturnal polyuria

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