DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified

  • Header · not billable

R48 is not billable. The category heads 6 billable codes in FY2027: the 6 codes directly below it.

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. R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified
Billable codes
6
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
40

Codes in R48

  1. R48.0
    Dyslexia and alexia
    Billable
  2. R48.1
    Agnosia
    Billable
    Inclusion terms 2, Excludes1 1

    Inclusion terms

    • Astereognosia (astereognosis)
    • Autotopagnosia

    Excludes1

    • visual object agnosia (R48.3) R48.3
  3. R48.2
    Apraxia
    Billable
    Excludes1 1

    Excludes1

    • apraxia following cerebrovascular disease (I69. with final characters -90) I69
  4. R48.3
    Visual agnosia
    Billable
    Inclusion terms 2

    Inclusion terms

    • Prosopagnosia
    • Simultanagnosia (asimultagnosia)
  5. R48.8
    Other symbolic dysfunctions
    Billable
    Inclusion terms 2

    Inclusion terms

    • Acalculia
    • Agraphia
  6. R48.9
    Unspecified symbolic dysfunctions
    Billable

Sources of each column.

Instructions

At R48

Excludes1

  • specific developmental disorders of scholastic skills (F81.-) F81

Notes that also apply

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

Index entries

  • Alexia → R48.0
  • Dyslexia → R48.0
  • Agnosia (body image) (other senses) (tactile) → R48.1
  • Astereognosia, astereognosis → R48.1
  • Autotopagnosia → R48.1
  • Apraxia (classic) (ideational) (ideokinetic) (ideomotor) (motor) (verbal) → R48.2
  • Asimultagnosia (simultanagnosia) → R48.3
  • Prosopagnosia → R48.3
  • Simultanagnosia (asimultagnosia) → R48.3
  • Abolition, language → R48.8
  • Acalculia → R48.8
  • Agrammatism → R48.8
  • Agraphia (absolute) → R48.8
  • Amimia → R48.8
  • Amusia → R48.8
  • Anomia → R48.8
  • Asymbolia → R48.8
  • Bianchi's syndrome → R48.8
  • Dyscalculia → R48.8
  • Echolalia → R48.8
  • Gerstmann's syndrome → R48.8
  • Palilalia → R48.8
  • Perseveration (tonic) → R48.8
  • Agraphia (absolute)with alexia → R48.0
  • Alexiasecondary to organic lesion → R48.0
  • Disorder (of)reading → R48.0
  • Agnosia (body image) (other senses) (tactile)verbal → R48.1
  • Agnosia (body image) (other senses) (tactile)visual (object) → R48.3
  • Amnesiaauditory → R48.8
  • Blindness (acquired) (congenital) (both eyes)mind → R48.8
  • Blindness (acquired) (congenital) (both eyes)psychic → R48.8
  • Deafness (acquired) (complete) (hereditary) (partial)mental → R48.8
  • Strephosymboliasecondary to organic lesion → R48.8
  • Dysfunctionsymbolic → R48.9
  • Blindness (acquired) (congenital) (both eyes)word (developmental)acquired → R48.0
  • Blindness (acquired) (congenital) (both eyes)word (developmental)secondary to organic lesion → R48.0
  • Disorder (of)learning (specific)alexia → R48.0
  • Agnosia (body image) (other senses) (tactile)verbalauditory → R48.1
  • Disorder (of)learning (specific)acalculia → R48.8
  • Dysfunctionsymbolicspecified type NEC → R48.8

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

Hierarchy