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ICD-10-CM chapter 19 · S00-T88

Injury, poisoning and certain other consequences of external causes

About chapter 19

Chapter 19 (S00-T88) contains 171 categories and 41,187 billable codes for FY2027. This year's update added 85 and deleted 21 codes here. 2,125 codes are MCCs and 8,799 are CCs when reported as secondary diagnoses.

24 code blocks

Chapter notes

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
  • 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
Use additional code
  • code to identify any retained foreign body, if applicable (Z18.-)