Disorders of olfactory nerve
Billable / specific
G52.0 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Disorders of 1st cranial nerve
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from G52)
- certain infectious and parasitic diseases (A00-B99) (from G52)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G52)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G52)
- endocrine, nutritional and metabolic diseases (E00-E88) (from G52)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from G52)
- neoplasms (C00-D49) (from G52)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G52)
- disorders of acoustic [8th] nerve (H93.3) (from G52)
- disorders of optic [2nd] nerve (H46, H47.0) (from G52)
- paralytic strabismus due to nerve palsy (H49.0-H49.2) (from G52)
Also known as
- Disorders of 1st cranial nerve
- Atrophy, atrophic, nerve, cranial, first
- Atrophy, atrophic, nerve, olfactory
- Compression, cranial nerve, first
- Disorder, nerve, cranial, first
- Disorder, nerve, olfactory
- Lesion, cranial nerve, first
- Neuralgia, neuralgic, nose
- Neuralgia, neuralgic, olfactory
- Neuritis, cranial nerve, first or olfactory
- Neuritis, olfactory nerve
Parent code
- G52Disorders of other cranial nervesHeader