FY2025 · 04-01
Effective from
- Inherited rules changed
Open bite of right front wall of thorax without penetration into thoracic cavity
Category — select a more specific code
CDC/NCHS · FY2025 · 04-01code to identify any retained foreign body, if applicable (Z18.-)
traumatic amputation (partial) of thorax (S28.1)
A — initial encounter
D — subsequent encounter
S — sequela
superficial bite of front wall of thorax (S20.37)
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2025 · 04-01
Effective from
Open bite of right front wall of thorax without penetration into thoracic cavity
Category — select a more specific code
CDC/NCHS · FY2025 · 04-01| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | No tabular change |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | No tabular change |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | No tabular change |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | Inherited rules changed |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
The official Tabular List has no additional instructions at this code level.
Review the instructions inherited from its parent categories below. Inherited instructions ↓
code to identify any retained foreign body, if applicable (Z18.-)
traumatic amputation (partial) of thorax (S28.1)
The appropriate 7th character is to be added to each code from category S21
A — initial encounter
D — subsequent encounter
S — sequela
Open wound of chest without penetration into thoracic cavity
Bite of front wall of thorax NOS
superficial bite of front wall of thorax (S20.37)
S21.151AOpen bite of right front wall of thorax without penetration into thoracic cavity, initial encounterBillable / specificS21.151DOpen bite of right front wall of thorax without penetration into thoracic cavity, subsequent encounterBillable / specificS21.151SOpen bite of right front wall of thorax without penetration into thoracic cavity, sequelaBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| S21.152 | Open bite of left front wall of thorax without penetration into thoracic cavity | Category · further specificity required |
| S21.159 | Open bite of unspecified front wall of thorax without penetration into thoracic cavity | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗