Is H66.01 a billable ICD-10-CM code?

No. H66.01 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does H66.01 sit in the tabular list?

Diseases of the ear and mastoid process (H60-H95), in the block Diseases of middle ear and mastoid (H65-H75).

H66.01

H66.01 — Acute suppurative otitis media with spontaneous rupture of ear drum

Non-billable headerICD-10-CM

H66.01 is a non-billable header ICD-10-CM code for acute suppurative otitis media with spontaneous rupture of ear drum. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with H66.01

These codes carry an Excludes1 note pointing at H66.01. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading H66.01 alone.

H72Perforation of tympanic membrane

Risk adjustment

H66.01 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 H66.01

8 child codes. Green means billable.

Related codes at this level

Codes that share H66.0. If H66.01 is not quite right, the correct code is usually one of these.

H66.00Acute suppurative otitis media without spontaneous rupture of ear drum

Questions about H66.01

Is H66.01 a billable ICD-10-CM code?: No. H66.01 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does H66.01 sit in the tabular list?: Diseases of the ear and mastoid process (H60-H95), in the block Diseases of middle ear and mastoid (H65-H75).