S31.835 — Open bite of anus
Is S31.835 billable?
No — S31.835 is a non-billable header code. S31.835 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath S31.835.
Billable codes under this header
S31.835 at a glance
| Code | S31.835 |
|---|---|
| Description | Open bite of anus |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S31.835 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to S31.835. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Bite › anus (s) (animal) (human)
- Wound, open › anus › bite
Excludes1 — never code together
The conditions below can never be reported together with S31.835 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- superficial bite of anus (S30.877)
Inclusion terms
Alternative wording in documentation that is classified to S31.835.
- Bite of anus NOS
Excludes1 — never code together — inherited from S31
The conditions below can never be reported together with S31.835 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 19
Report an additional code alongside S31.835 to fully describe the condition. S31.835 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S31.835, but a patient may have both at the same time. When documentation supports it, S31.835 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S30-S39
The conditions below are not part of S31.835, but a patient may have both at the same time. When documentation supports it, S31.835 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S31
The conditions below are not part of S31.835, but a patient may have both at the same time. When documentation supports it, S31.835 and the excluded code may both be reported.
Code also — inherited from S31
Two codes may be needed to describe the condition fully. Whether S31.835 is sequenced first depends on the reason for the encounter.
What codes fall under S31.835? (3)
How long has S31.835 existed?
S31.835 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.