ICD-10-CM Code R51
Headache
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.R51 is a billable ICD code used to specify a diagnosis of headache. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code R51 is used to code Headache
Headache, also known as cephalalgia, is pain anywhere in the region of the head or neck. It can be a symptom of a number of different conditions of the head and neck.
| Specialty: | Neurology |
| MeSH Codes: | D006261, D006261 |
| ICD 9 Codes: | 339, 784.0 |
Woman with a headache
Coding Notes for R51 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. - Facial pain NOS
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Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here." - Atypical face pain - instead, use code G50.1
- Migraine and other headache syndromes - instead, use Section G43-G44
- Trigeminal neuralgia - instead, use code G50.0
MS-DRG Mapping
- DRG Group #102-103 - Headaches with MCC.
- DRG Group #102-103 - Headaches without MCC.
Related Concepts SNOMET-CT
- Referred pain in face (finding)
- Shooting headache (finding)
- Daily headache (disorder)
ICD-10-CM Alphabetical Index References for 'R51 - Headache'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R51. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code R51 and a single ICD9 code, 784.0 is an approximate match for comparison and conversion purposes.