Other sprain of sternum, initial encounter
Billable / specific
S23.428A is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from S23)
- injuries of breast
- injuries of chest (wall)
- injuries of interscapular area
- avulsion of joint or ligament of thorax
- laceration of cartilage, joint or ligament of thorax
- sprain of cartilage, joint or ligament of thorax
- traumatic hemarthrosis of joint or ligament of thorax
- traumatic rupture of joint or ligament of thorax
- traumatic subluxation of joint or ligament of thorax
- traumatic tear of joint or ligament of thorax
- Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Excludes2
Not included here — may be reported together when both conditions exist.
- birth trauma (P10-P15) (from S23)
- obstetric trauma (O70-O71) (from S23)
- burns and corrosions (T20-T32) (from S23)
- effects of foreign body in bronchus (T17.5) (from S23)
- effects of foreign body in esophagus (T18.1) (from S23)
- effects of foreign body in lung (T17.8) (from S23)
- effects of foreign body in trachea (T17.4) (from S23)
- frostbite (T33-T34) (from S23)
- injuries of axilla (from S23)
- injuries of clavicle (from S23)
- injuries of scapular region (from S23)
- injuries of shoulder (from S23)
- insect bite or sting, venomous (T63.4) (from S23)
- dislocation, sprain of sternoclavicular joint (S43.2, S43.6) (from S23)
- strain of muscle or tendon of thorax (S29.01-) (from S23)
Use additional code
Add a code to identify the following, if applicable.
Code also
An additional code may be needed.
- any associated open wound (from S23)
7th character
The 7th character values that apply to this code (defined at S23). Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
Parent code
- S23.428Other sprain of sternumNeeds 7th char