Chapter 19: Injury, poisoning and certain other consequences of external causes
S00-T88
Chapter 19 of the ICD-10-CM tabular list covers injury, poisoning and certain other consequences of external causes, codes S00-T88. It holds 54,261 codes across 11 blocks, of which 41,142 are billable and 13,119 are header codes that cannot go on a claim. 53,996 (100%) require a 7th character.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Use additional code
Add a secondary code to capture the detail described below.
- code to identify any retained foreign body, if applicable (Z18.-)
Notes
Additional guidance 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.
Risk adjustment in Chapter 19
2,193 of this chapter’s codes map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded to the level the record supports.
- HCC 402 Hip Fracture/Dislocation
- HCC 155 Major Depression, Moderate or Severe, without Psychosis
- HCC 401 Vertebral Fractures without Spinal Cord Injury
- HCC 399 Major Head Injury without Loss of Consciousness
- HCC 182 Spinal Cord Disorders/Injuries
- HCC 405 Traumatic Amputations and Complications
Blocks in this chapter
- S00-S09Injuries to the head2,690 codes
- S10-S19Injuries to the neck1,459 codes
- S20-S29Injuries to the thorax2,243 codes
- S30-S39Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals3,634 codes
- S40-S49Injuries to the shoulder and upper arm3,546 codes
- S50-S59Injuries to the elbow and forearm5,237 codes
- S60-S69Injuries to the wrist, hand and fingers6,768 codes
- S70-S79Injuries to the hip and thigh4,214 codes
- S80-S89Injuries to the knee and lower leg5,585 codes
- S90-S99Injuries to the ankle and foot4,342 codes
- T07-T88Injury, poisoning and certain other consequences of external causes14,543 codes