F11.99 Opioid use, unspecified with unspecified opioid-induced disorder

Billable ICD-10-CM code, FY2026.

Applies from F11.9 Opioid use, unspecified

Excludes1 (never code together)

Risk adjustment (HCC)

MS-DRG index

Defines the logic of DRG(s) 894-897 in MDC 20.

Approximate ICD-9-CM (GEMs)

Code annotations containing back-references to F11.99

Back-references to F11.9

Back-references to F11

Diagnosis Index entries for F11.99

Nearby codes