MCMedicalCodingSoftware
N30.00

N30.00: Acute cystitis without hematuria

Billable / specific codeICD-10-CM

N30.00 is a billable, specific ICD-10-CM code for acute cystitis without hematuria. It is valid for submission on a claim.

Check N30.00 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above N30.00

A category’s note binds every code beneath it.

Written on N30.0: Acute cystitis

Written on N30: Cystitis

Other codes that can never be billed with N30.00

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • N39.0Urinary tract infection, site not specified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N30.00 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A58801Billing and Coding: Pharmacogenomics Testing
  • A58812Billing and Coding: Pharmacogenomics Testing
  • A59915Billing and Coding: Pharmacogenomic Testing

Alphabetic index entries that lead here

  • Cystitis›acute

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under N30.0

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.