G52.1 Disorders of glossopharyngeal nerve

The ICD-10-CM code for Disorders of glossopharyngeal nerve is G52.1 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

6: Diseases of the nervous system (G00-G99)

Section

G50-G59: Nerve, nerve root and plexus disorders (G50-G59)

Category G52

8 codes (7 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G52.1:

• Neuralgia, neuralgic (acute) › glossopharyngeal (nerve)
• Palsy › glossopharyngeal
• Compression › cranial nerve › ninth
• Disorder (of) › nerve › glossopharyngeal NEC
• Disorder (of) › nerve › cranial › ninth

Inclusion Terms

• Disorder of 9th cranial nerve
• Glossopharyngeal neuralgia

U.S. Hospital Utilization

• An estimated 595 U.S. inpatient stays in 2023 included G52.1 among the documented diagnoses.
• 110 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference G52.1 with the canonical source and edition:

G52.1 — Disorders of glossopharyngeal nerve. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/G52.1

Canonical URL: https://icd10codingpro.com/codes/G52.1