Is G57 a billable ICD-10-CM code?

No. G57 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does G57 sit in the tabular list?

Diseases of the nervous system (G00-G99), in the block Nerve, nerve root and plexus disorders (G50-G59).

What cannot be coded together with G57?

G57 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

G57

G57 — Mononeuropathies of lower limb

Non-billable headerICD-10-CM

G57 is a non-billable header ICD-10-CM code for mononeuropathies of lower limb. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

current traumatic nerve disorder - see nerve injury by body region

Other codes that can never be billed with G57

These codes carry an Excludes1 note pointing at G57. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading G57 alone.

M54.3Sciatica
M77.4Metatarsalgia
M89.0Algoneurodystrophy
G56.4Causalgia of upper limb
G89.2Chronic pain, not elsewhere classified
G90.5Complex regional pain syndrome I (CRPS I)

Risk adjustment

G57 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 G57

10 child codes. Green means billable.

Questions about G57

Is G57 a billable ICD-10-CM code?: No. G57 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does G57 sit in the tabular list?: Diseases of the nervous system (G00-G99), in the block Nerve, nerve root and plexus disorders (G50-G59).
What cannot be coded together with G57?: G57 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.