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H95.131

Billable

Mucosal cyst of postmastoidectomy cavity, right ear

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A fluid-filled sac (mucosal cyst) forming in the ear canal after mastoid surgery on the right side.

Coding Tips

  • •Mucosal cysts are benign but may require monitoring or treatment if they cause symptoms
  • •The fifth character '1' specifies right ear; use '2' for left and '3' for bilateral

Code Hierarchy

└H95Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified└H95.1Other disorders of ear and mastoid process following mastoidectomy└H95.13Mucosal cyst of postmastoidectomy cavity└H95.131Mucosal cyst of postmastoidectomy cavity, right ear
└H95.131Mucosal cyst of postmastoidectomy cavity, right ear

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