Is F84 a billable ICD-10-CM code?

No. F84 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does F84 sit in the tabular list?

Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Pervasive and specific developmental disorders (F80-F89).

F84

F84 — Pervasive developmental disorders

Non-billable headerICD-10-CM

F84 is a non-billable header ICD-10-CM code for pervasive developmental disorders. It cannot be billed on its own: choose one of the more specific child codes below.

Code also

Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.

any associated medical condition and intellectual disabilities

Other codes that can never be billed with F84

These codes carry an Excludes1 note pointing at F84. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading F84 alone.

R47Speech disturbances, not elsewhere classified
F80.82Social pragmatic communication disorder
F84.0Autistic disorder
F84.2Rett's syndrome
F84.3Other childhood disintegrative disorder

Risk adjustment

F84 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead F84

6 child codes. Green means billable.

Questions about F84

Is F84 a billable ICD-10-CM code?: No. F84 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does F84 sit in the tabular list?: Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Pervasive and specific developmental disorders (F80-F89).