ICD-10-CM G62.81 is the diagnosis code for Critical illness polyneuropathy. This code falls under the section "Polyneuropathies and other disorders of the peripheral nervous system" within Chapter 6 — Diseases of the nervous system (G00-G99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where G62.81 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, G62.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
G62.81 is the ICD-10-CM diagnosis code for "Critical illness polyneuropathy". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of G62.81 is G62.8 ("Other specified polyneuropathies"). G62.81 provides a more specific classification within this category.
G62.81 is located in Section G60-G65 — "Polyneuropathies and other disorders of the peripheral nervous system" within Chapter 6 of the ICD-10-CM Tabular List.
Use G62.81 when the patients documented diagnosis matches "Critical illness polyneuropathy" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Critical illness polyneuropathy is G62.81.
Yes, G62.81 can be used as a primary diagnosis code since it is billable and specific.
G62.81 is in Chapter 6 of the ICD-10-CM Tabular List.
Yes, G62.81 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.