All ICD10 Codes

R49

Non-Billable
ChapterR00–R99
Rankcategory
Official Description

Voice and resonance disorders

Use a more specific code (4 billable, 1 non-billable)
R49.0DysphoniaR49.1AphoniaR49.2Hypernasality and hyponasalityhas subcodesR49.8Other voice and resonance disordersR49.9Unspecified voice and resonance disorder
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • psychogenic voice and resonance disorders (F44.4)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R47-R49Symptoms and signs involving speech and voice (R47-R49)
R49Voice and resonance disordersNot billable
R49.0DysphoniaBillable
R49.1AphoniaBillable
R49.2Hypernasality and hyponasalitySubcodes
R49.8Other voice and resonance disordersBillable
R49.9Unspecified voice and resonance disorderBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R49:

chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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