FY2025 · 04-01
Effective from
- Inherited rules changed
Open wound of 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
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 wound of 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 |
Open wound of chest without penetration into thoracic cavity
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
S21.10Unspecified open wound of front wall of thorax without penetration into thoracic cavityCategory · further specificity requiredS21.11Laceration without foreign body of front wall of thorax without penetration into thoracic cavityCategory · further specificity requiredS21.12Laceration with foreign body of front wall of thorax without penetration into thoracic cavityCategory · further specificity requiredS21.13Puncture wound without foreign body of front wall of thorax without penetration into thoracic cavityCategory · further specificity requiredS21.14Puncture wound with foreign body of front wall of thorax without penetration into thoracic cavityCategory · further specificity requiredS21.15Open bite of front wall of thorax without penetration into thoracic cavityCategory · further specificity requiredOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| S21.0 | Open wound of breast | Category · further specificity required |
| S21.2 | Open wound of back wall of thorax without penetration into thoracic cavity | Category · further specificity required |
| S21.3 | Open wound of front wall of thorax with penetration into thoracic cavity | Category · further specificity required |
| S21.4 | Open wound of back wall of thorax with penetration into thoracic cavity | Category · further specificity required |
| S21.9 | Open wound of unspecified part of thorax | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗