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ICD-10-CM 2027 · Y90-Y99

Supplementary factors related to causes of morbidity classified elsewhere

Part of chapter 20, external causes of morbidity.

About Y90-Y99

Block Y90-Y99 contains 5 categories and 334 billable codes for FY2027. No codes here changed in the FY2027 update. None of its codes are CCs or MCCs.

Y90Evidence of alcohol involvement determined by blood alcohol level

Y92Place of occurrence of the external cause

Y93Activity codes

Y95Nosocomial condition

Y99External cause status

Block notes

Note
  • These categories may be used to provide supplementary information concerning causes of morbidity. They are not to be used for single-condition coding.