Hypernasality and hyponasality

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 2 more specific codes instead:

R49.21 Hypernasality
R49.22 Hyponasality

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2012 Added to the draft code set draft Hypernasality and hyponasality

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from R49 Voice and resonance disorders

Excludes1 - never coded here

psychogenic voice and resonance disorders (F44.4)

Codes in the same group

Code	Description	Status
R49.0	Dysphonia	Valid
R49.1	Aphonia	Valid
R49.8	Other voice and resonance disorders	Valid
R49.9	Unspecified voice and resonance disorder	Valid