R49.2 – Hypernasality and hyponasality
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving speech and voice
ICD-10-CM code
R49.2
- Code
R49.2(claims format:R492)- Description
- Hypernasality and hyponasality
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R47-R49 Symptoms and signs involving speech and voice
- Parent codes
- R49
Billable codes under R49.2
R49.2 is a header code and cannot be used on claims. Choose the most specific code:
- R49.21 – HypernasalityBillable
- R49.22 – HyponasalityBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
R49 – Voice and resonance disorders
Excludes1 (not coded here):
- psychogenic voice and resonance disorders (F44.4)
Related codes in R49
- R49.0 – DysphoniaBillable
- R49.1 – AphoniaBillable
- R49.8 – Other voice and resonance disordersBillable
- R49.9 – Unspecified voice and resonance disorderBillable
Frequently asked questions
What is ICD-10 code R49.2?
R49.2 is the ICD-10-CM code for hypernasality and hyponasality, in the block R47-R49 (Symptoms and signs involving speech and voice).
Is R49.2 a billable code?
No. R49.2 is a header code with more specific child codes; report one of the billable codes listed above.
What category does R49.2 belong to?
It belongs to category R49 – Voice and resonance disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.