G51
G51 — Facial nerve disorders
Non-billable headerICD-10-CM
G51 is a non-billable header ICD-10-CM code for facial nerve disorders. It cannot be billed on its own: choose one of the more specific child codes below.
Includes
Conditions this code covers.
- disorders of 7th cranial nerve
Other codes that can never be billed with G51
These codes carry an Excludes1 note pointing at G51. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading G51 alone.
Risk adjustment
G51 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 G51
7 child codes. Green means billable.
Questions about G51
- Is G51 a billable ICD-10-CM code?
- No. G51 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does G51 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Nerve, nerve root and plexus disorders (G50-G59).