External causes of morbidity
ICD-10-CM Chapter 20 (V00-Y99) in the FY2026 code set. 43 codes in this chapter map to a CMS-HCC V28 payment category, across 1 HCC categories.
CMS-HCC V28 categories in this chapter (1)
Open any category for its full member-code list, RAF, and hierarchy.
Risk-adjusting ICD-10-CM codes (43)
Codes in this chapter that map to a CMS-HCC V28 payment category. Open any code for its full detail.
- X71.0XXAIntentional self-harm by drowning and submersion while in bathtub, initial encounter
- X71.1XXAIntentional self-harm by drowning and submersion while in swimming pool, initial encounter
- X71.2XXAIntentional self-harm by drowning and submersion after jump into swimming pool, initial encounter
- X71.3XXAIntentional self-harm by drowning and submersion in natural water, initial encounter
- X71.8XXAOther intentional self-harm by drowning and submersion, initial encounter
- X71.9XXAIntentional self-harm by drowning and submersion, unspecified, initial encounter
- X72.XXXAIntentional self-harm by handgun discharge, initial encounter
- X73.0XXAIntentional self-harm by shotgun discharge, initial encounter
- X73.1XXAIntentional self-harm by hunting rifle discharge, initial encounter
- X73.2XXAIntentional self-harm by machine gun discharge, initial encounter
- X73.8XXAIntentional self-harm by other larger firearm discharge, initial encounter
- X73.9XXAIntentional self-harm by unspecified larger firearm discharge, initial encounter
- X74.01XAIntentional self-harm by airgun, initial encounter
- X74.02XAIntentional self-harm by paintball gun, initial encounter
- X74.09XAIntentional self-harm by other gas, air or spring-operated gun, initial encounter
- X74.8XXAIntentional self-harm by other firearm discharge, initial encounter
- X74.9XXAIntentional self-harm by unspecified firearm discharge, initial encounter
- X75.XXXAIntentional self-harm by explosive material, initial encounter
- X76.XXXAIntentional self-harm by smoke, fire and flames, initial encounter
- X77.0XXAIntentional self-harm by steam or hot vapors, initial encounter
- X77.1XXAIntentional self-harm by hot tap water, initial encounter
- X77.2XXAIntentional self-harm by other hot fluids, initial encounter
- X77.3XXAIntentional self-harm by hot household appliances, initial encounter
- X77.8XXAIntentional self-harm by other hot objects, initial encounter
- X77.9XXAIntentional self-harm by unspecified hot objects, initial encounter
- X78.0XXAIntentional self-harm by sharp glass, initial encounter
- X78.1XXAIntentional self-harm by knife, initial encounter
- X78.2XXAIntentional self-harm by sword or dagger, initial encounter
- X78.8XXAIntentional self-harm by other sharp object, initial encounter
- X78.9XXAIntentional self-harm by unspecified sharp object, initial encounter
- X79.XXXAIntentional self-harm by blunt object, initial encounter
- X80.XXXAIntentional self-harm by jumping from a high place, initial encounter
- X81.0XXAIntentional self-harm by jumping or lying in front of motor vehicle, initial encounter
- X81.1XXAIntentional self-harm by jumping or lying in front of (subway) train, initial encounter
- X81.8XXAIntentional self-harm by jumping or lying in front of other moving object, initial encounter
- X82.0XXAIntentional collision of motor vehicle with other motor vehicle, initial encounter
- X82.1XXAIntentional collision of motor vehicle with train, initial encounter
- X82.2XXAIntentional collision of motor vehicle with tree, initial encounter
- X82.8XXAOther intentional self-harm by crashing of motor vehicle, initial encounter
- X83.0XXAIntentional self-harm by crashing of aircraft, initial encounter
- X83.1XXAIntentional self-harm by electrocution, initial encounter
- X83.2XXAIntentional self-harm by exposure to extremes of cold, initial encounter
- X83.8XXAIntentional self-harm by other specified means, initial encounter
Frequently asked questions
How many ICD-10-CM codes in External causes of morbidity risk-adjust under CMS-HCC V28?
43 ICD-10-CM codes in the V00-Y99 chapter (External causes of morbidity) map to a CMS-HCC V28 payment category for payment year 2026.
Which CMS-HCC V28 categories do V00-Y99 codes map to?
Codes in this chapter map to 1 distinct CMS-HCC V28 categories, most commonly HCC 155 (Major Depression, Moderate or Severe, without Psychosis).
What ICD-10-CM chapter is V00-Y99?
V00-Y99 is ICD-10-CM Chapter 20, External causes of morbidity, in the FY2026 code set.
Source: FY2026 ICD-10-CM Tabular (CDC/NCHS) and the CMS-HCC v28 PY2026 mapping file.