S30.866 — Insect bite (nonvenomous) of unspecified external genital organs, female
S30.866 is a non-billable header ICD-10-CM code for insect bite (nonvenomous) of unspecified external genital organs, female. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category S30
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Other codes that can never be billed with S30.866
These codes carry an Excludes1 note pointing at S30.866. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading S30.866 alone.
- S31.55Open bite of unspecified external genital organs
Risk adjustment
S30.866 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.
How S30.866 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 S30.866.
- Bite›genital organs, external›female›superficial NEC›insect
Code to one of these instead S30.866
3 child codes. Green means billable.
Related codes at this level
Codes that share S30.86. If S30.866 is not quite right, the correct code is usually one of these.
- S30.860Insect bite (nonvenomous) of lower back and pelvis
- S30.861Insect bite (nonvenomous) of abdominal wall
- S30.862Insect bite (nonvenomous) of penis
- S30.863Insect bite (nonvenomous) of scrotum and testes
- S30.864Insect bite (nonvenomous) of vagina and vulva
- S30.865Insect bite (nonvenomous) of unspecified external genital organs, male
- S30.867Insect bite (nonvenomous) of anus
- S30.86AInsect bite (nonvenomous) of flank
Questions about S30.866
- Is S30.866 a billable ICD-10-CM code?
- No. S30.866 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does S30.866 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39).