784 Symptoms involving head and neck (784.0-784.99) ICD-9-CM
The 784.0-784.99 block classified 784 symptoms involving head and neck with 21 legacy diagnosis codes. None remain valid for claim submission; each code below links to its reference page with the official ICD-10-CM replacement under the CMS General Equivalence Mappings.
Retired Code Set
ICD-9-CM stopped being valid for U.S. claims with dates of service on or after October 1, 2015, when ICD-10-CM replaced it. Use this index for historical lookups and crosswalking; for current coding, start from the ICD-10-CM codes list or the ICD-9 / ICD-10 converter.
Legacy Codes in the 784.0-784.99 Block 21 codes
None of these codes remain valid for claim submission. Each code page shows its ICD-10-CM replacement under the CMS General Equivalence Mappings.
- 784.0 Headache
- 784.1 Throat pain
- 784.2 Swelling in head & neck
- 784.3 Aphasia
- 784.40 Voice/resonance dis NOS
- 784.41 Aphonia
- 784.42 Dysphonia
- 784.43 Hypernasality
- 784.44 Hyponasality
- 784.49 Voice/resonance dis NEC
- 784.51 Dysarthria
- 784.52 Flncy dsord cond elsewhr
- 784.59 Speech disturbance NEC
- 784.60 Symbolic dysfunction NOS
- 784.61 Alexia and dyslexia
- 784.69 Symbolic dysfunction NEC
- 784.7 Epistaxis
- 784.8 Hemorrhage from throat
- 784.91 Postnasal drip
- 784.92 Jaw pain
- 784.99 Head & neck symptoms NEC
Questions About This Page
Are the 784.0-784.99 codes still billable?
No. Every code in this block became invalid for U.S. claims after September 30, 2015. Each code page linked above shows the ICD-10-CM replacement CMS assigned in the General Equivalence Mappings, and the ICD-9 / ICD-10 converter translates any of them directly.
What did the 784.0-784.99 block classify?
The block classified 784 symptoms involving head and neck with 21 codes in the final ICD-9-CM release. It sat under Symptoms, signs, and ill-defined conditions (780–799) in the legacy hierarchy.
Related References
Source: final CMS ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.
