ICD-10 CM Code S00.421
S00.421
Blister (nonthermal) of right ear
Excludes Type 1
- diffuse cerebral contusion (S06.2-)
- focal cerebral contusion (S06.3-)
- injury of eye and orbit (S05.-)
- open wound of head (S01.-)
7th Character
- The appropriate 7th character is to be added to each code from category S00
- A - initial encounter
- D - subsequent encounter
- S - sequela
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