Billable / Specific Code
ICD-10-CM G59 is the diagnosis code for Mononeuropathy in diseases classified elsewhere. This code falls under the section "Nerve, nerve root and plexus disorders" 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.
The following conditions should never be coded at the same time as G59. They are mutually exclusive:
Understanding where G59 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, G59 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
G59 is the ICD-10-CM diagnosis code for "Mononeuropathy in diseases classified elsewhere". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
G59 is located in Section G50-G59 — "Nerve, nerve root and plexus disorders" within Chapter 6 of the ICD-10-CM Tabular List.
Use G59 when the patients documented diagnosis matches "Mononeuropathy in diseases classified elsewhere" 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 Mononeuropathy in diseases classified elsewhere is G59.
Yes, G59 can be used as a primary diagnosis code since it is billable and specific.
G59 is in Chapter 6 of the ICD-10-CM Tabular List.
Type 1 Excludes for G59 include: diabetic mononeuropathy (E08-E13 with .41); syphilitic nerve paralysis (A52.19); syphilitic neuritis (A52.15) and more.
Yes, G59 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.