F90.9
Billable codeAttention-deficit hyperactivity disorder, unspecified type
The ICD-10 code for attention-deficit hyperactivity disorder, unspecified type is F90.9.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Attention-deficit hyperactivity disorder of childhood or adolescence NOS
- Attention-deficit hyperactivity disorder NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- F90.0Attention-deficit hyperactivity disorder, predominantly inattentive type
- F90.1Attention-deficit hyperactivity disorder, predominantly hyperactive type
- F90.2Attention-deficit hyperactivity disorder, combined type
- F90.8Attention-deficit hyperactivity disorder, other type
- F90.9Attention-deficit hyperactivity disorder, unspecified type
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 31400Approximate match
- 31401Approximate match
- 3149Approximate match
Associated MS-DRGs
F90.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.