G52.1 is the authoritative medical code for Disorders of glossopharyngeal nerve. This classification is used in medical billing and clinical recording to specify the clinical criteria for disorders of glossopharyngeal nerve (ICD-10-CM G52.1), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Disorders of glossopharyngeal nerve is a billable ICD-10-CM diagnosis code G52.1. Inclusion terms: Disorder of 9th cranial nerve; Glossopharyngeal neuralgia. Excludes1 (not coded here): current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region; neuralgia NOS M79.2; neuritis NOS M79.2; peripheral neuritis in pregnancy O26.82-; radiculitis NOS M54.1-. Excludes2 (not included here): disorders of acoustic 8th nerve H93.3; disorders of optic 2nd nerve (H46, H47.0); paralytic strabismus due to nerve palsy H49.0-H49.2.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G52.1 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Disorder of 9th cranial nerve
- Glossopharyngeal neuralgia
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
- neuralgia NOS M79.2
- neuritis NOS M79.2
- peripheral neuritis in pregnancy O26.82-
- radiculitis NOS M54.1-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- disorders of acoustic 8th nerve H93.3
- disorders of optic 2nd nerve (H46, H47.0)
- paralytic strabismus due to nerve palsy H49.0-H49.2
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with G52.1?
Per Excludes1 instructions, G52.1 must not be reported with: current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region; neuralgia NOS (M79.2); neuritis NOS (M79.2); peripheral neuritis in pregnancy (O26.82-).
Can G52.1 be reported alongside related conditions?
Per Excludes2 instructions, G52.1 and the following may both be reported when both are present: disorders of acoustic [8th] nerve (H93.3); disorders of optic [2nd] nerve (H46, H47.0); paralytic strabismus due to nerve palsy (H49.0-H49.2).
What conditions are included under G52.1?
Disorders of glossopharyngeal nerve includes: Disorder of 9th cranial nerve; Glossopharyngeal neuralgia.
Codes in This Family (7)
Official ICD-10-CM classifications in the same code family as G52.1, with their registry titles.
- G52 — Disorders of other cranial nerves
- G52.0 — Disorders of olfactory nerve
- G52.2 — Disorders of vagus nerve
- G52.3 — Disorders of hypoglossal nerve
- G52.7 — Disorders of multiple cranial nerves
- G52.8 — Disorders of other specified cranial nerves
- G52.9 — Cranial nerve disorder, unspecified
Indexed Clinical Terms (5)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Compression, cranial nerve, ninth
- Disorder (of), nerve, cranial, ninth
- Disorder (of), nerve, glossopharyngeal NEC
- Neuralgia, neuralgic (acute), glossopharyngeal (nerve)
- Palsy, glossopharyngeal
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: