Is G57.8 a billable ICD-10-CM code?

No. G57.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does G57.8 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 G57.8?

G57.8 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above G57.8 (G57) and apply to it just the same.

G57.8

G57.8 — Other specified mononeuropathies of lower limb

Non-billable headerICD-10-CM

G57.8 is a non-billable header ICD-10-CM code for other specified mononeuropathies of lower limb. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Interdigital neuroma of lower limb

Excludes1 inherited from the categories above G57.8

These are not written on G57.8, but they bind it: a note on a category applies to every code beneath it. Billing G57.8 with anything listed here is a denial.

Written on G57 — Mononeuropathies of lower limb

current traumatic nerve disorder - see nerve injury by body region

Risk adjustment

G57.8 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 history

G57.8 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead G57.8

4 child codes. Green means billable.

Related codes at this level

Codes that share G57. If G57.8 is not quite right, the correct code is usually one of these.

Questions about G57.8

Is G57.8 a billable ICD-10-CM code?: No. G57.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does G57.8 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 G57.8?: G57.8 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above G57.8 (G57) and apply to it just the same.