A36.85

What This Code Means

This is an infection of the bladder caused by diphtheria bacteria, which can cause inflammation and damage to the bladder lining. It is a serious complication that occurs when diphtheria spreads to the urinary system.

Coding Tips

• •Verify that diphtheria has been confirmed as the causative organism of the cystitis before assigning this code, as it requires documentation of both conditions
• •This code should be used only when the cystitis is specifically related to diphtheritic infection; do not use for other bacterial causes of bladder infection