Is ICD-10-CM code G52 billable?

No, G52 (Disorders of other cranial nerves) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code G52 belong to?

G52 belongs to Chapter 6 of the ICD-10-CM tabular list: G00–G99 (Diseases of the Nervous System).

G52Non-billable

Disorders of other cranial nerves

Diseases of the Nervous System·Nerve, nerve root and plexus disorders (G50-G59)·category·FY 2026

Use a more specific code (7 billable)

G52.0Disorders of olfactory nerve G52.1Disorders of glossopharyngeal nerve G52.2Disorders of vagus nerve G52.3Disorders of hypoglossal nerve G52.7Disorders of multiple cranial nerves G52.8Disorders of other specified cranial nerves G52.9Cranial nerve disorder, unspecified

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

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)

G50-G59 Parent Instructions

Excludes1(Not coded here. Use a different code.)

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-)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)

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)

Clinical Hierarchy

BillableHas subcodes

CH6Diseases of the nervous system (G00-G99)

G50-G59Nerve, nerve root and plexus disorders (G50-G59)

G52Disorders of other cranial nervesNot billable

G52.0Disorders of olfactory nerveBillable

G52.1Disorders of glossopharyngeal nerveBillable

G52.2Disorders of vagus nerveBillable

G52.3Disorders of hypoglossal nerveBillable

G52.7Disorders of multiple cranial nervesBillable

G52.8Disorders of other specified cranial nervesBillable

G52.9Cranial nerve disorder, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.