Cluster headache syndrome, unspecified, not intractable
Billable / specific
G44.009 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
- Cluster headache syndrome NOS
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 G44)
- certain infectious and parasitic diseases (A00-B99) (from G44)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G44)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G44)
- endocrine, nutritional and metabolic diseases (E00-E88) (from G44)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from G44)
- neoplasms (C00-D49) (from G44)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G44)
- atypical facial pain (G50.1) (from G44)
- headache due to lumbar puncture (G97.1) (from G44)
- migraines (G43.-) (from G44)
- trigeminal neuralgia (G50.0) (from G44)
Also known as
- Cluster headache syndrome NOS
- Cephalgia, cephalalgia, histamine
- Cephalgia, cephalalgia, histamine, not intractable
- Headache, cluster
- Headache, cluster, not intractable
- Headache, histamine
- Headache, histamine, not intractable
- Neuralgia, neuralgic, ciliary
- Neuralgia, neuralgic, ciliary, not intractable
- Neuralgia, neuralgic, migrainous
- Neuralgia, neuralgic, migrainous, not intractable
- Syndrome, cluster headache
- Syndrome, cluster headache, not intractable
Parent code
- G44.00Cluster headache syndrome, unspecifiedHeader
Related codes
- G44.001Cluster headache syndrome, unspecified, intractableBillable