S00.271A — Other superficial bite of right eyelid and periocular area, initial encounter
Is S00.271A billable?
Yes — S00.271A is billable for FY2027. S00.271A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S00.271A may be submitted for encounters from October 1, 2026 through September 30, 2027.
S00.271A at a glance
| Code | S00.271A |
|---|---|
| Description | Other superficial bite of right eyelid and periocular area, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in S00.271A?
In S00.271A, the 7th character A means initial encounter. The 7th character is required for S00.271A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S00.271A group to?
S00.271A sits in MDC 02 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.
- 124Other Disorders of the Eye with MCC or Thrombolytic Agentmedical
- 125Other Disorders of the Eye without MCCmedical
How is S00.271A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S00.27, the nearest indexed parent of S00.271A. Use them to find the family, then select the specific code.
- Bite › eyelid › superficial NEC (s) (animal) (human)
Excludes1 — never code together — inherited from S00
The conditions below can never be reported together with S00.271A 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 S00.27
The conditions below can never be reported together with S00.271A 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 bite of eyelid and periocular area (S01.15)
Use additional code — inherited from Chapter 19
Report an additional code alongside S00.271A to fully describe the condition. S00.271A 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 S00.271A, but a patient may have both at the same time. When documentation supports it, S00.271A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S00-S09
The conditions below are not part of S00.271A, but a patient may have both at the same time. When documentation supports it, S00.271A 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 S00.2
The conditions below are not part of S00.271A, but a patient may have both at the same time. When documentation supports it, S00.271A and the excluded code may both be reported.
- superficial injury of conjunctiva and cornea (S05.0-)
Code also — inherited from S00-S09
Two codes may be needed to describe the condition fully. Whether S00.271A is sequenced first depends on the reason for the encounter.
- for any associated infection
How long has S00.271A existed?
S00.271A 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.