S21.052D
Open bite of left breast, subsequent encounter
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
superficial bite of breast (S20.17)
Bite of breast NOS
traumatic amputation (partial) of thorax (S28.1)
any associated injury, such as: injury of heart (S26.-) injury of intrathoracic organs (S27.-) rib fracture (S22.3-, S22.4-) spinal cord injury (S24.0-, S24.1-) traumatic hemopneumothorax (S27.3) traumatic hemothorax (S27.1) traumatic pneumothorax (S27.0) wound infection
The appropriate 7th character is to be added to each code from category S21
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
injuries of breast injuries of chest (wall) injuries of interscapular area
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)
code to identify any retained foreign body, if applicable (Z18.-)
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 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. (T07-T88) Injury, poisoning and certain other consequences of external causes (T07-T88) (T20-T32) Burns and corrosions (T20-T32) Includes: burns (thermal) from electrical heating appliances burns (thermal) from electricity burns (thermal) from flame burns (thermal) from friction burns (thermal) from hot air and hot gases burns (thermal) from hot objects burns (thermal) from lightning burns (thermal) from radiation chemical burn [corrosion] (external) (internal) scalds Excludes2: erythema [dermatitis] ab igne (L59.0) radiation-related disorders of the skin and subcutaneous tissue (L55-L59) sunburn (L55.-)
Official Guidelines for S21.052D
FY 2026 ›Subsections
- I.C.19.aApplication of 7th Characters in Chapter 19
- I.C.19.bCoding of Injuries
- I.C.19.cCoding of Traumatic Fractures
- I.C.19.dCoding of Burns and Corrosions
- I.C.19.eAdverse Effects, Poisoning, Underdosing and Toxic Effects
- I.C.19.fAdult and child abuse, neglect and other maltreatment
- I.C.19.gComplications of care
Sections that reference S21.052D
Sections whose FY 2026 text names S21.052D, its S21 category, or a range containing it — the chapter guidance above is the authoritative source.