Unspecified injury 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.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

S29.9XXA Unspecified injury of thorax, initial encounter
S29.9XXD Unspecified injury of thorax, subsequent encounter
S29.9XXS Unspecified injury 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 Unspecified injury 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 S29 Other and unspecified injuries of thorax

Seventh character required

The appropriate 7th character is to be added to each code from category S29

Code also

any associated open wound (S21.-)

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.

Injury > chest
Injury > interscapular area
Injury > breast NOS
Injury > sternal region
Injury > thorax, thoracic
Injury > costal region NEC
Injury > costochondral NEC
Injury > midthoracic region NOS
Injury > thorax, thoracic > external

Codes in the same group

Code	Description	Status
S29.0	Injury of muscle and tendon at thorax level	Not billable
S29.8	Other specified injuries of thorax	Not billable