S31.40XD — Unspecified open wound of vagina and vulva, subsequent encounter
Is S31.40XD billable?
Yes, but S31.40XD is an unspecified code. S31.40XD is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S31.40XD is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting S31.40XD — the more specific alternatives are listed below.
More specific alternatives
- S31.41XDLaceration without foreign body of vagina and vulva, subsequent encounter
- S31.42XDLaceration with foreign body of vagina and vulva, subsequent encounter
- S31.43XDPuncture wound without foreign body of vagina and vulva, subsequent encounter
- S31.44XDPuncture wound with foreign body of vagina and vulva, subsequent encounter
- S31.45XDOpen bite of vagina and vulva, subsequent encounter
S31.40XD at a glance
| Code | S31.40XD |
|---|---|
| Description | Unspecified open wound of vagina and vulva, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in S31.40XD?
In S31.40XD, the 7th character D means subsequent encounter. The 7th character is required for S31.40XD to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S31.40XD group to?
S31.40XD sits in MDC 23 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 949Aftercare with CC/MCCmedical
- 950Aftercare without CC/MCCmedical
How is S31.40XD listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S31.40, the nearest indexed parent of S31.40XD. Use them to find the family, then select the specific code.
- Wound, open › clitoris
- Wound, open › hymen
- Wound, open › vagina
- Wound, open › vulva
- Injury › vagina › open wound
- Injury › vulva › open wound
- Wound, open › genital organs, external › female › vagina
- Wound, open › genital organs, external › female › vulva
Excludes1 — never code together — inherited from S31
The conditions below can never be reported together with S31.40XD on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from S31.4
The conditions below can never be reported together with S31.40XD 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 S31.40XD to fully describe the condition. S31.40XD 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 S31.40XD, but a patient may have both at the same time. When documentation supports it, S31.40XD and the excluded code may both be reported.
Excludes2 — not included here — inherited from S30-S39
The conditions below are not part of S31.40XD, but a patient may have both at the same time. When documentation supports it, S31.40XD and the excluded code may both be reported.
Excludes2 — not included here — inherited from S31
The conditions below are not part of S31.40XD, but a patient may have both at the same time. When documentation supports it, S31.40XD and the excluded code may both be reported.
Code also — inherited from S31
Two codes may be needed to describe the condition fully. Whether S31.40XD is sequenced first depends on the reason for the encounter.
How long has S31.40XD existed?
S31.40XD 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.