DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R49 Voice and resonance disorders

  • Header · not billable

R49 is not billable. The category heads 6 billable codes in FY2027, grouped under 5 subdivisions.

Index → code

Where it sits

  1. Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. R47-R49 Symptoms and signs involving speech and voice (R47-R49)
  3. R49 Voice and resonance disorders
Billable codes
6
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
19

Codes in R49

  1. R49.0
    Dysphonia
    Billable
    Inclusion terms 1

    Inclusion terms

    • Hoarseness
  2. R49.1
    Aphonia
    Billable
    Inclusion terms 1

    Inclusion terms

    • Loss of voice
  3. R49.2
    Hypernasality and hyponasality
    Header
  4. R49.21
    Hypernasality
    Billable
  5. R49.22
    Hyponasality
    Billable
  6. R49.8
    Other voice and resonance disorders
    Billable
  7. R49.9
    Unspecified voice and resonance disorder
    Billable
    Inclusion terms 2

    Inclusion terms

    • Change in voice NOS
    • Resonance disorder NOS

Sources of each column.

Instructions

At R49

Excludes1

  • psychogenic voice and resonance disorders (F44.4) F44.4

Notes that also apply

Chapter 18 instructions (Notes 9, Excludes2 4): printed on the chapter 18 page.

Index entries

  • Dysphonia → R49.0
  • Hoarseness → R49.0
  • Aphonia (organic) → R49.1
  • Hypernasality → R49.21
  • Hyponasality → R49.22
  • Speaker's throat → R49.8
  • Fatiguevoice → R49.8
  • Change(s) (in) (of)voice → R49.9
  • Defect, defectivevoice → R49.9
  • Disorder (of)resonance → R49.9
  • Disorder (of)voice → R49.9
  • Disturbance(s)voice → R49.9
  • Voicechange → R49.9
  • Change(s) (in) (of)voicespecified NEC → R49.8
  • Defect, defectivevoicespecified NEC → R49.8
  • Disorder (of)resonancespecified NEC → R49.8
  • Disorder (of)voicespecified type NEC → R49.8
  • Disturbance(s)voicespecified NEC → R49.8
  • Voicechangespecified NEC → R49.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy