N30.1: Interstitial cystitis (chronic)

Your bladder has become inflamed.

The bladder sits low down in the abdomen and collects the urine. The urine is produced in the two kidneys. The urine flows from the kidneys into the bladder via the ureters. When you pass water, the urine flows from the bladder via the urethra and out. The inside of the bladder is lined with a protective mucosal layer.

Your bladder has been inflamed for a considerable time. The exact cause of the bladder inflammation is not known. Long-term bladder inflammation can cause the bladder to scar and shrink. A bladder that is shrunk is not able to contain as much urine.

People with an inflamed bladder can experience pain in the lower abdomen. It also possible that you will have a frequent urge to go to the toilet.

The condition can have a major impact on the daily life. There may also be psychological effects as a result.

Additional indicator

On medical documents, the ICD code is often appended by letters that indicate the diagnostic certainty or the affected side of the body.

  • G: Confirmed diagnosis
  • V: Tentative diagnosis
  • Z: Condition after
  • A: Excluded diagnosis
  • L: Left
  • R: Right
  • B: Both sides

Further information


This information is not intended for self-diagnosis and does not replace professional medical advice from a doctor. If you find an ICD code on a personal medical document, please also note the additional indicator used for diagnostic confidence.
Your doctor will assist you with any health-related questions and explain the ICD diagnosis code to you in a direct consultation if necessary.


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