2027 ICD-10-CM Diagnosis Code G62.89Other specified polyneuropathies
ICD-10-CM Codes›G00–G99›G60-G65›G62
- Billable — Valid for Submission
- Chronic Condition
G62.89 is a billable ICD-10-CM diagnosis code for other specified polyneuropathies. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 73 through 74. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Polyneuropathies.
G62.89 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model. It still risk-adjusts in the ESRD (V21) category 75 for payment year 2027.
Code Identity
Code Classification
Medicare Risk Adjustment (HCC)Billing
G62.89 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model, but it maps to payment categories in the other CMS models shown below.
Source: CMS Payment Year 2027 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Acute demyelinating polyneuropathy
- Anoxic neuropathy
- Autoimmune peripheral motor neuropathy
- Autoimmune sensorimotor neuropathy
- Autoimmune sensory neuropathy
- Axonal sensorimotor neuropathy
- Dying back phenomenon
- Idiopathic chronic neuropathy
- Inflammatory neuropathy
- Inflammatory neuropathy due to and following vaccination
- Length-dependent peripheral neuropathy
- Mixed demyelinating and axonal polyneuropathy
- Mixed sensory-motor polyneuropathy
- Motor polyneuropathy
- Neurological complication following vaccination
- Neuropathy due to infection
- Nutritional ataxic neuropathy
- Occult neuropathy
- Periodic paralysis
- Periodic paralysis with later-onset distal motor neuropathy
- Peripheral axonal neuropathy
- Peripheral demyelinating neuropathy
- Peripheral motor neuropathy
- Sensory polyneuropathy
- Small fiber neuropathy
- Toxic polyneuropathy
- Tropical ataxic neuropathy
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to G62.89: its own notes plus those printed at block G60-G65 and Chapter 6. A note printed at a category, block or chapter applies to every code under it.
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Polyneuritis, polyneuritic See Also: Polyneuropathy;
specified NEC G62.89
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Peripheral Nerve Disorders
Nerves are like wires that carry messages back and forth between your brain and your body. Your peripheral nerves branch off from your brain and spinal cord and connect to all parts of your body, including your muscles and organs.
The full article covers:
- What are peripheral nerves?
- What are peripheral nerve disorders?
- What causes peripheral nerve disorders?
- What are the symptoms of peripheral nerve disorders?
- How are peripheral nerve disorders diagnosed?
- What are the treatments for peripheral nerve disorders?
- Can peripheral nerve disorders be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert G62.89 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About G62.89Overview
What is the ICD-10 code for other specified polyneuropathies?
The ICD-10-CM code for other specified polyneuropathies is G62.89 (sometimes written as G6289). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is G62.89 (Other specified polyneuropathies) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified polyneuropathies on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does G62.89 group to?
When other specified polyneuropathies is the principal diagnosis on an inpatient stay, it groups to MS-DRG 74, 73, with relative weights from 1.0172 to 1.5773 depending on complications. Higher weights mean higher Medicare reimbursement.
Can G62.89 be reported with M79.2?
Not as a rule. The Excludes1 note at block G60-G65, which applies to G62.89, lists "neuralgia NOS (M79.2)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of G62.89?
Under the General Equivalence Mappings, other specified polyneuropathies converts to ICD-9-CM 357.89 (inflam/tox neuropthy NEC). The mapping is approximate, so confirm the match fits the documentation.
Does G62.89 risk-adjust for Medicare Advantage payment?
Not for Medicare Advantage: G62.89 maps to no category in the CMS-HCC V28 model. It still risk-adjusts in the ESRD (V21) category 75 (Polyneuropathy).
