Cystitis ICD-10-CM Codes

Explore the common ICD-10 codes used for cystitis and learn more about their billability, clinical descriptions, synonyms, etc. 

By Joshua Napilay on Jun 16, 2024.

Fact Checked by Ericka Pingol.

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Cystitis ICD-10-CM Codes

What ICD-10 Codes are Used for Cystitis 

Here’s a list of the common ICD-10 codes for cystitis that practitioners can use for coding, billing, documentation, etc. 

  • N30.00: Acute cystitis without hematuria
  • N30.01: Acute cystitis with hematuria
  • N30.10: Interstitial cystitis (chronic) without hematuria
  • N30.11: Interstitial cystitis (chronic) with hematuria
  • N30.20: Other chronic cystitis without hematuria
  • N30.21: Other chronic cystitis with hematuria
  • N30.40: Irradiation cystitis without hematuria
  • N30.41: Irradiation cystitis with hematuria
  • N30.80: Other cystitis without hematuria
  • N30.81: Other cystitis with hematuria
  • N30.90: Cystitis, unspecified without hematuria
  • N30.91: Cystitis, unspecified with hematuria

Which Cystitis ICD codes are Billable: 

All of the mentioned cystitis ICD codes are billable. 

Clinical Information

  • Cystitis is a bladder infection wherein the bladder is inflamed. There are two types of cystitis: acute cystitis (sudden) and interstitial cystitis (long-term). 
  • Common causes of cystitis are UTI, certain medications, radiation exposure, hygiene products, and catheter use. 
  • Symptoms of cystitis are bladder fullness sensation, blood in urine, cloudy urine, frequent urge to urinate, cramping in the abdomen/back, pain during sexual intercourse, and low-grade fever with a UTI. 
  • A practitioner will examine a patient’s urine sample and do a cystoscopy or imaging tests to diagnose cystitis. 
  • Cystitis treatments will vary depending on the cause, but some a practitioner may mention are medication, surgery, and home care treatments like heating pads, pain relievers, and a lot of fluid. 

Synonyms Include:

  • Acute cystitis
  • Recurrent cystitis
  • Bacterial cystitis
  • Infective cystitis
  • Viral cystitis
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Commonly asked questions

When to use a Cystitis ICD code?

You can use a Cystitis ICD Code once you’ve confirmed the diagnosis with exams and tests.

Are Cystitis diagnosis codes billable?

Yes, the cystitis diagnosis codes are billable.

What are the common treatments for Cystitis?

Common treatments for cystitis are surgery, medication, and home care treatments like ingesting a lot of fluid, pain relievers, and using heating pads. 

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