S01.459S — Open bite of unspecified cheek and temporomandibular area, sequela
Is S01.459S billable?
Yes, but S01.459S is an unspecified code. S01.459S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S01.459S 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 S01.459S — the more specific alternatives are listed below.
S01.459S at a glance
| Code | S01.459S |
|---|---|
| Description | Open bite of unspecified cheek and temporomandibular area, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in S01.459S?
In S01.459S, the 7th character S means sequela. The 7th character is required for S01.459S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S01.459S group to?
S01.459S sits in MDC 09 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.
- 604Trauma to the Skin, Subcutaneous Tissue and Breast with MCCmedical
- 605Trauma to the Skin, Subcutaneous Tissue and Breast without MCCmedical
How is S01.459S listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S01.45, the nearest indexed parent of S01.459S. Use them to find the family, then select the specific code.
- Bite › cheek (s) (animal) (human)
Excludes1 — never code together — inherited from S01
The conditions below can never be reported together with S01.459S on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- open skull fracture (S02.- with 7th character B)
Use additional code — inherited from Chapter 19
Report an additional code alongside S01.459S to fully describe the condition. S01.459S 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 S01.459S, but a patient may have both at the same time. When documentation supports it, S01.459S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S00-S09
The conditions below are not part of S01.459S, but a patient may have both at the same time. When documentation supports it, S01.459S and the excluded code may both be reported.
- burns and corrosions (T20-T32)
- effects of foreign body in ear (T16)
- effects of foreign body in larynx (T17.3)
- effects of foreign body in mouth NOS (T18.0)
- effects of foreign body in nose (T17.0-T17.1)
- effects of foreign body in pharynx (T17.2)
- effects of foreign body on external eye (T15.-)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Excludes2 — not included here — inherited from S01
The conditions below are not part of S01.459S, but a patient may have both at the same time. When documentation supports it, S01.459S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S01.45
The conditions below are not part of S01.459S, but a patient may have both at the same time. When documentation supports it, S01.459S and the excluded code may both be reported.
Code also — inherited from S00-S09
Two codes may be needed to describe the condition fully. Whether S01.459S is sequenced first depends on the reason for the encounter.
- for any associated infection
Code also — inherited from S01
Two codes may be needed to describe the condition fully. Whether S01.459S is sequenced first depends on the reason for the encounter.
How long has S01.459S existed?
S01.459S 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.