Question 1

What is ICD-10 code G62.89?

Accepted Answer

G62.89 is the ICD-10-CM diagnosis code for other specified polyneuropathies. Nerve damage affecting multiple nerves due to various causes not specifically classified elsewhere, such as specific medications, toxins, or other identified conditions. G62.89 sits in the ICD-10-CM chapter for diseases of the nervous system (g00-g99), within the section covering polyneuropathies and other disorders of the peripheral nervous system (g60-g65).

G62.89 is a billable ICD-10-CM code, but the current payload does not show a mapping under the CMS-HCC V28 or V24 community payment models, and none under the ESRD, Part D RxHCC, or HHS-HCC models. Do not assign risk adjustment value from this page when no source-backed mapping is shown; verify the applicable model and payment year.

Use this code only when the specific cause doesn't fit other G62 subcategories.

Question 2

Is G62.89 an HCC code?

Accepted Answer

G62.89 has no payable CMS-HCC V28 mapping in the final FY2026 CMS file.

Question 3

Is G62.89 billable?

Accepted Answer

Yes. G62.89 is a billable ICD-10-CM code that can be reported on professional and institutional claims as a primary or secondary diagnosis when the provider documentation supports the specific condition described. Billable codes in ICD-10-CM are coded to the highest level of specificity available for the documented diagnosis. G62.89 is current for fiscal year 2026 and remains in the active CMS ICD-10-CM code set published by the National Center for Health Statistics.

Question 4

Which HCC does G62.89 map to under V28?

Accepted Answer

G62.89 has no payable CMS-HCC V28 mapping in the final FY2026 CMS file.

Question 5

What RAF reference is published for G62.89?

Accepted Answer

G62.89 has no V28 reference coefficient because the final FY2026 source verifies no payable V28 mapping.

Question 6

What is the V28 vs V24 difference for G62.89?

Accepted Answer

G62.89 has verified no payable V28 mapping in the final FY2026 source. Select a historical effective period before making any V24 comparison.

Question 7

What documentation supports G62.89?

Accepted Answer

Use this code only when the specific cause doesn't fit other G62 subcategories Document the specific etiology in clinical notes to justify use of this 'other specified' category G62.89 is not a CMS-HCC V28 payment code in the verified current source, so MEAT is not the payment hook. Documentation still has to support the diagnosis if you report it.

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G62.89

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G62.89 ICD-10-CM Code: Other specified polyneuropathies

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G62.89

Is G62.89 an HCC code?

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What This Code Means

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Work G62.89 in HCC Buddy