R49.2
⚠ Non-billable (Header)Hypernasality and hyponasality
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from R49Rules from parent category R49: Voice and resonance disorders
- • psychogenic voice and resonance disorders (F44.4)
Child Codes (2)
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CodeR49.2
BillableNo — Header code
ParentR49
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes11 rule(s)
Excludes20 note(s)
Child codes2
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)