R49.22: Hyponasality

R49.22, hyponasality, is listed as a covered diagnosis in 6 Medicare billing and coding articles that apply to 3 HCPCS Level II codes, including G0153 (Services performed by a qualified speech-language…), G0161 (Services performed by a qualified speech-language…), G0255 (Current perception threshold/sensory nerve conduction…). The articles come from 5 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.

HCPCS Level II codes with R49.22 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
G0153Services performed by a qualified speech-language pathologist in the home health or hospice setting, each 15 minutesCarrier judgment—1
G0161Services performed by a qualified speech-language pathologist, in the home health setting, in the establishment or delivery of a safe and effective speech-language pathology maintenance program, each 15 minutesCarrier judgment—1
G0255Current perception threshold/sensory nerve conduction test, (snct) per limb, any nerveNon-covered by MedicareNot covered5

Medicare policy articles listing R49.22

A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.

Other R49 diagnoses (Voice and resonance disorders)

Frequently asked questions

Does Medicare cover R49.22 (Hyponasality)?

Medicare covers items and services, not diagnoses. 6 Medicare billing and coding articles list R49.22 as a covered diagnosis for 3 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.

Which HCPCS codes can be billed with ICD-10 R49.22?

The Level II codes from the policies most specific to this diagnosis are G0153 (Services performed by a qualified speech-language…, 1 article); G0161 (Services performed by a qualified speech-language…, 1 article); G0255 (Current perception threshold/sensory nerve conduction…, 5 articles). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list R49.22?

A53052 (Billing and Coding: Home Health Speech-Language Pathology); A57307 (Billing and Coding: Nerve Conduction Studies and Electromyography); A57478 (Billing and Coding: Nerve Conduction Studies and Electromyography), and 3 more articles.

What is ICD-10-CM code R49.22?

R49.22 is the ICD-10-CM code for hyponasality, in category R49 (Voice and resonance disorders), chapter 18: Symptoms, signs and abnormal findings.

Next steps

Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.

Chapter 18: Symptoms, signs and abnormal findings · All diagnoses · HCPCS lookup