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S20.312ABillableSave

S20.312A - Abrasion of left front wall of thorax, initial encounter

ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · S20-S29 Injuries to the thorax (S20-S29) · Subcategory of S20.312 · FY2027

7th character A: initial encounter

Coding Guidance

7th character A: initial encounter.

Includes, Excludes and Coding Notes

IncludesFrom S20-S29 Injuries to the thorax (S20-S29)

Conditions this code covers.

  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area
Excludes 2 — Not Included HereFrom S20-S29 Injuries to the thorax (S20-S29)

Not part of this code; report both codes when the patient has both conditions.

  • 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)
Excludes 2 — Not Included HereFrom Chapter S00-T88

Not part of this code; report both codes when the patient has both conditions.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
Use Additional CodeFrom Chapter S00-T88

Add a secondary code to identify the associated condition or cause when it is documented.

  • code to identify any retained foreign body, if applicable (Z18.-)
NotesFrom Chapter S00-T88

Instructional notes from the ICD-10-CM tabular list.

  • 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.

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with S20.312A.