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Home/Diagnosis/ICD-10 Coding for Pyelonephritis Unspecified

ICD-10 Coding for Pyelonephritis Unspecified

N12
N11.9

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

Also Known as:
Kidney Infection Unspecified
Renal Infection Unspecified
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Key Information: ICD-10 Coding for Pyelonephritis Unspecified

Essential facts and insights about ICD-10 Coding for Pyelonephritis Unspecified

Use ICD-10 code N12 for pyelonephritis, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Pyelonephritis, unspecified

Billable Code
N12
Billable

Diagnostic Criteria

clinical:
  • • Presence of fever and flank pain with positive urinalysis.
documentation:
  • • Avoid using 'UTI' alone; specify pyelonephritis.

Applicable To

  • • Acute pyelonephritis
  • • Chronic pyelonephritis

Important Notes

  • • Ensure documentation specifies pyelonephritis rather than a general UTI.

Chronic pyelonephritis, unspecified

Billable Code
N11.9
Billable

Diagnostic Criteria

clinical:
  • • Recurrent UTIs
  • • Renal scarring on imaging

Applicable To

  • • Chronic pyelonephritis

Important Notes

  • • Ensure chronicity is documented with evidence of recurrent infections or imaging findings.
Ancillary Codes

Additional codes that may be used with this diagnosis

B96.2

Escherichia coli [E. coli] as the cause of diseases classified elsewhere

Use when E. coli is identified as the causative organism.

Frequently Asked Questions

What is the ICD-10 code for pyelonephritis unspecified?

The ICD-10 code for pyelonephritis unspecified is N12. It is used when pyelonephritis is diagnosed but not specified as acute or chronic.

How should pyelonephritis be documented?

Document pyelonephritis with specific symptoms such as fever and flank pain, and include urinalysis results. Avoid using 'UTI' alone.

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