ICD-10-CM › S00-T88 › S20-S29 › S20.34 External constriction of front... › S20.349
External constriction of unspecified front 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:
- S20.349A External constriction of unspecified front wall of thorax, initial encounter
- S20.349D External constriction of unspecified front wall of thorax, subsequent encounter
- S20.349S External constriction of unspecified front 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 External constriction of unspecified front 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.
- Tourniquet syndrome
- Syndrome > tourniquet
- Hair > tourniquet syndrome
- Syndrome > hair tourniquet
- Injury > superficial NEC > external constriction
- Constriction > external > sternal region
Codes in the same group
| Code | Description | Status |
|---|---|---|
| S20.341 | External constriction of right front wall of thorax | Not billable |
| S20.342 | External constriction of left front wall of thorax | Not billable |
| S20.343 | External constriction of bilateral front wall of thorax | Not billable |
| S20.344 | External constriction of middle front wall of thorax | Not billable |