ICD-10 F90.9: Attention-deficit hyperactivity disorder, unspecified type
ADHD without inattentive/hyperactive/combined specification. Use F90.0 (inattentive), F90.1 (hyperactive), F90.2 (combined) when classified.
Clinical context
ADHD without inattentive/hyperactive/combined specification. Use F90.0 (inattentive), F90.1 (hyperactive), F90.2 (combined) when classified.
Documentation requirements
- DSM-5 criteria met
- Validated tool (Vanderbilt, Conners)
- Symptoms before age 12
- Functional impairment in 2+ settings
Common related procedures
- 96127 brief assessment
- 96138 neuropsych eval (if needed)
- 99214
Common payer denial patterns
- Stimulant Rx may need specific F90.x subtype
- Adult ADHD diagnosis often scrutinized — childhood symptoms documentation important
Frequently asked questions
What does ICD-10 F90.9 mean?
Attention-deficit hyperactivity disorder, unspecified type
When is this code documented?
ADHD without inattentive/hyperactive/combined specification. Use F90.0 (inattentive), F90.1 (hyperactive), F90.2 (combined) when classified.
What documentation supports this code?
DSM-5 criteria met; Validated tool (Vanderbilt, Conners); Symptoms before age 12; Functional impairment in 2+ settings.
What are common denials associated with this diagnosis?
Stimulant Rx may need specific F90.x subtype; Adult ADHD diagnosis often scrutinized — childhood symptoms documentation important.
Related diagnoses
Sources
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