784.0 HEADACHE

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Code Information

Diagnosis Code: 784.0

Short Description: Headache

Long Description: Headache

Code Classification:

Symptoms, signs, and ill-defined conditions (780–799)
- Symptoms (780-789)
  - 784 Symptoms involving head and neck
    - 784.0 Headache

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 784.0 has the following ICD-9-CM references to the Index of Diseases and Injuries

Cephalgia, cephalagia (see also Headache) 784.0
- histamine 339.00
- nonorganic origin 307.81
- other trigeminal autonomic (TACS) 339.09
- psychogenic 307.81
- tension 307.81

Headache 784.0
- allergic 339.00
- associated with sexual activity 339.82
- cluster 339.00
  - chronic 339.02
  - episodic 339.01
- daily
  - chronic� 784.0
  - new persistent (NPDH) 339.42
- drug induced 339.3
- due to
  - loss, spinal fluid 349.0
  - lumbar puncture 349.0
  - saddle block 349.0
- emotional 307.81
- histamine 339.00
- hypnic 339.81
- lumbar puncture 349.0
- medication overuse 339.3
- menopausal 627.2
- menstrual 346.4
- migraine 346.9
- nasal septum 784.0
- nonorganic origin 307.81
- orgasmic 339.82
- postspinal 349.0
- post-traumatic 339.20
  - acute 339.21
  - chronic 339.22
- premenstrual 346.4
- preorgasmic 339.82
- primary
  - cough 339.83
  - exertional 339.84
  - stabbing 339.85
  - thunderclap 339.43
- psychogenic 307.81
- psychophysiologic 307.81
- rebound 339.3
- short lasting unilateral neuralgiform with conjunctival injection and tearing ( SUNCT) 339.05
- sick 346.9
- spinal 349.0
  - complicating labor and delivery 668.8
  - postpartum 668.8
- spinal fluid loss 349.0
- syndrome
  - cluster 339.00
  - complicated NEC 339.44
  - periodic in child or adolescent 346.2
  - specified NEC 339.89
- tension 307.81
  - type 339.10
    - chronic 339.12
    - episodic 339.11
- vascular 784.0
  - migraine type 346.9
- vasomotor 346.9

Pain(s) (see also Painful) 780.96
- face, facial 784.0
  - atypical 350.2
  - nerve 351.8
- head (see also Headache) 784.0

Crosswalk Information

The code 784.0 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
784.0		G44.1	Vascular headache, not elsewhere classified
784.0		R51	Headache

This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code	ICD-9 Description
784.1	Throat pain
784.2	Swelling, mass, or lump in head and neck
784.3	Aphasia
784.40	Voice and resonance disorder, unspecified
784.41	Aphonia
784.42	Dysphonia
784.43	Hypernasality
784.44	Hyponasality
784.49	Other voice and resonance disorders
784.51	Dysarthria
784.52	Fluency disorder in conditions classified elsewhere
784.59	Other speech disturbance
784.60	Symbolic dysfunction, unspecified
784.61	Alexia and dyslexia
784.69	Other symbolic dysfunction
784.7	Epistaxis
784.8	Hemorrhage from throat
784.91	Postnasal drip
784.92	Jaw pain
784.99	Other symptoms involving head and neck

This page was last updated on: 10/1/2014

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