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H95.53

H95.53Postprocedural seroma of ear and mastoid process following a procedure on the ear and mastoid process

Billable / specific codeICD-10-CM

H95.53 is a billable, specific ICD-10-CM code for postprocedural seroma of ear and mastoid process following a procedure on the ear and mastoid process. It is valid for submission on a claim.

Risk adjustment

H95.53 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

H95.53 is named in 2 Medicare coverage policies 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56612Billing and Coding: CT of the Head
  • A56775Billing and Coding: Magnetic Resonance Angiography

How H95.53 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to H95.53.

  • Complicationpostproceduralseromaearfollowing procedure on ear and mastoid process
  • Complicationpostproceduralseromamastoid processfollowing procedure on ear and mastoid process

Related codes at this level

Codes that share H95.5. If H95.53 is not quite right, the correct code is usually one of these.

Questions about H95.53

Is H95.53 a billable ICD-10-CM code?
Yes. H95.53 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H95.53 sit in the tabular list?
Diseases of the ear and mastoid process (H60-H95), in the block Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified (H95).
ICD-10-CMFY2026-Apr· effective April 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.