ICD-10-CM › S00-T88 › S20-S29 › S20.22 Contusion of back wall of thorax › S20.229
Contusion of unspecified back wall of thorax
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 3 more specific codes instead:
- S20.229A Contusion of unspecified back wall of thorax, initial encounter
- S20.229D Contusion of unspecified back wall of thorax, subsequent encounter
- S20.229S Contusion of unspecified back wall of thorax, sequela
This code requires a seventh character. See the rule below.
What has happened to this code
Every change the publisher made, from 2014 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2014 Added to the draft code set draft Contusion of unspecified back wall of thorax
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from S20 Superficial injury of thorax
Seventh character required
- The appropriate 7th character is to be added to each code from category S20
Inherited from the S20-S29 section Injuries to the thorax (S20-S29)
Excludes2 - not included here
- burns and corrosions (T20-T32)
- effects of foreign body in bronchus (T17.5)
- effects of foreign body in esophagus (T18.1)
- effects of foreign body in lung (T17.8)
- effects of foreign body in trachea (T17.4)
- frostbite (T33-T34)
- injuries of axilla
- injuries of clavicle
- injuries of scapular region
- injuries of shoulder
- insect bite or sting, venomous (T63.4)
Includes
- injuries of breast
- injuries of chest (wall)
- injuries of interscapular area
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Contusion > interscapular region
Codes in the same group
| Code | Description | Status |
|---|---|---|
| S20.221 | Contusion of right back wall of thorax | Not billable |
| S20.222 | Contusion of left back wall of thorax | Not billable |
| S20.223 | Contusion of bilateral back wall of thorax | Not billable |
| S20.224 | Contusion of middle back wall of thorax | Not billable |