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Home/Diagnosis/ICD-10 Coding for Low Urine Output

ICD-10 Coding for Low Urine Output

N17.9
R34
N28.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for low urine output includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Oliguria
Anuria
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Key Information: ICD-10 Coding for Low Urine Output

Essential facts and insights about ICD-10 Coding for Low Urine Output

Use ICD-10 code N17.9 for acute kidney failure, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Acute kidney failure, unspecified

Billable Code
N17.9
Billable

Diagnostic Criteria

clinical:
  • • Presence of oliguria and elevated creatinine levels
documentation:
  • • Detailed documentation of urine output and creatinine changes

Applicable To

  • • Acute kidney injury (AKI)

Important Notes

  • • Ensure documentation supports AKI criteria to avoid misclassification.

Anuria and Oliguria

Billable Code
R34
Billable

Diagnostic Criteria

clinical:
  • • Urine output <400 mL/day in adults

Applicable To

  • • Low urine output

Important Notes

  • • Should not be used as a principal diagnosis if AKI is documented.

Disorder of kidney and ureter, unspecified

Billable Code
N28.9
Billable

Diagnostic Criteria

clinical:
  • • Vague terms like 'renal insufficiency' without AKI criteria

Applicable To

  • • Renal insufficiency, unspecified

Important Notes

  • • Ensure documentation clarifies the absence of AKI criteria.
Ancillary Codes

Additional codes that may be used with this diagnosis

R34

Anuria and Oliguria

Use as a secondary code when documenting symptoms of low urine output.

Frequently Asked Questions

What is the ICD-10 code for low urine output?

The ICD-10 code for low urine output is R34, used when a definitive diagnosis like AKI is not established.

How is acute kidney injury coded in ICD-10?

Acute kidney injury is coded as N17.9 in ICD-10, requiring documentation of specific urine output and creatinine changes.

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