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S00.96XD

S00.96XDInsect bite (nonvenomous) of unspecified part of head, subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

S00.96XD is a billable, specific ICD-10-CM code for insect bite (nonvenomous) of unspecified part of head, subsequent encounter. It is valid for submission on a claim.

7th character "D" — subsequent encounter

The appropriate 7th character is to be added to each code from category S00

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above S00.96XD

These are not written on S00.96XD, but they bind it: a note on a category applies to every code beneath it. Billing S00.96XD with anything listed here is a denial.

Written on S00 Superficial injury of head

  • diffuse cerebral contusion (S06.2-)
  • focal cerebral contusion (S06.3-)
  • injury of eye and orbit (S05.-)
  • open wound of head (S01.-)

Risk adjustment

S00.96XD 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

S00.96XD 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.

  • A53065Billing and Coding: Outpatient Physical Therapy
  • A56459Billing and Coding: Debridement Services

Code history

S00.96XD has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share S00.96. If S00.96XD is not quite right, the correct code is usually one of these.

Questions about S00.96XD

Is S00.96XD a billable ICD-10-CM code?
Yes. S00.96XD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S00.96XD sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the head (S00-S09).
What cannot be coded together with S00.96XD?
S00.96XD carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above S00.96XD (S00) and apply to it just the same.
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.