ICD-10-CM Code G44.00
Cluster headache syndrome, unspecified
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.ICD Code G44.00 is a non-billable code. To code a diagnosis of this type, you must use one of the two child codes of G44.00 that describes the diagnosis 'cluster headache syndrome, unspecified' in more detail.
- G44.00 Cluster headache syndrome, unspecified NON-BILLABLE
The ICD code G440 is used to code Cluster headache
Cluster headache (CH) is a neurological disorder characterized by recurrent, severe headaches on one side of the head, typically around the eye. There are often accompanying autonomic symptoms during the headache such as eye watering, nasal congestion and swelling around the eye, typically confined to the side of the head with the pain.
| Specialty: | Neurology |
| MeSH Codes: | D003027, D003027, D003027, D003027 |
| ICD 9 Codes: | 339.00, 339.01, 339.02, |
Trigeminal nerve
Coding Notes for G44.00 Info for medical coders on how to properly use this ICD-10 code
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Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive. - Ciliary neuralgia
- Cluster headache NOS
- Histamine cephalgia
- Lower half migraine
- Migrainous neuralgia
ICD-10-CM Alphabetical Index References for 'G44.00 - Cluster headache syndrome, unspecified'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code G44.00. Click on any term below to browse the alphabetical index.
Parent Code: G44.0 - Cluster headaches and other trigeminal autonomic cephalgias (TAC)