DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

G35 Multiple sclerosis

  • Header · not billable

G35 is not billable. The category heads 8 billable codes in FY2027, grouped under 4 subdivisions.

Index → code

  • Sclérose en plaques → G35.D
  • Sclerosis, scleroticdorsal → G35.D
  • Sclerosis, scleroticinsular → G35.D

Where it sits

  1. Chapter 6 Diseases of the nervous system (G00-G99)
  2. G35-G37 Demyelinating diseases of the central nervous system (G35-G37)
  3. G35 Multiple sclerosis
Billable codes
8
Subdivisions
4
CC / MCC codes
0 / 0
HCC V28 codes
8
New FY2027
0
Index entries
34

Codes in G35

  1. G35.A
    Relapsing-remitting multiple sclerosis
    Billable198
    Excludes1 1

    Excludes1

    • demyelinating disease of central nervous system, unspecified (G37.9) G37.9
  2. G35.B
    Primary progressive multiple sclerosis
    Header
  3. G35.B0
    Primary progressive multiple sclerosis, unspecified
    Billable198
  4. G35.B1
    Active primary progressive multiple sclerosis
    Billable198
    Inclusion terms 1

    Inclusion terms

    • Primary progressive multiple sclerosis with evidence of inflammatory disease activity
  5. G35.B2
    Non-active primary progressive multiple sclerosis
    Billable198
    Inclusion terms 1

    Inclusion terms

    • Primary progressive multiple sclerosis without evidence of inflammatory disease activity
  6. G35.C
    Secondary progressive multiple sclerosis
    Header
  7. G35.C0
    Secondary progressive multiple sclerosis, unspecified
    Billable198
  8. G35.C1
    Active secondary progressive multiple sclerosis
    Billable198
    Inclusion terms 1

    Inclusion terms

    • Secondary progressive multiple sclerosis with evidence of inflammatory disease activity
  9. G35.C2
    Non-active secondary progressive multiple sclerosis
    Billable198
    Inclusion terms 1

    Inclusion terms

    • Secondary progressive multiple sclerosis without evidence of inflammatory disease activity
  10. G35.D
    Multiple sclerosis, unspecified
    Billable198
    Inclusion terms 5

    Inclusion terms

    • Disseminated multiple sclerosis
    • Generalized multiple sclerosis
    • Multiple sclerosis NOS
    • Multiple sclerosis of brain stem
    • Multiple sclerosis of cord

Sources of each column.

Instructions

Notes that also apply

Chapter 6 instructions (Excludes2 8): printed on the chapter 6 page.

Index entries

  • Sclérose en plaques → G35.D
  • Demyelination, demyelinizationglobal → G35.D
  • Myelosclerosisdisseminated, of nervous system → G35.D
  • Sclerosis, scleroticascending multiple → G35.D
  • Sclerosis, scleroticbulbar, multiple → G35.D
  • Sclerosis, scleroticcerebrospinal (disseminated) (multiple) → G35.D
  • Sclerosis, scleroticdisseminated → G35.D
  • Sclerosis, scleroticdorsal → G35.D
  • Sclerosis, scleroticinsular → G35.D
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord) → G35.D
  • Sclerosis, scleroticplaques → G35.D
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)relapsing-remitting → G35.A
  • Disease, diseaseddemyelinating, demyelinizating (nervous system)multiple sclerosis → G35.D
  • Sclerosis, scleroticbrain (generalized) (lobular)disseminated → G35.D
  • Sclerosis, scleroticbrain (generalized) (lobular)insular → G35.D
  • Sclerosis, scleroticbrain (generalized) (lobular)miliary → G35.D
  • Sclerosis, scleroticbrain (generalized) (lobular)multiple → G35.D
  • Sclerosis, scleroticbrain (generalized) (lobular)stem, multiple → G35.D
  • Sclerosis, scleroticcombined (spinal cord)multiple → G35.D
  • Sclerosis, scleroticspinal (cord) (progressive)disseminated → G35.D
  • Sclerosis, scleroticspinal (cord) (progressive)multiple → G35.D
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressiveprimary → G35.B0
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressivesecondary → G35.C0
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)multiplesclerosis → G35.D [F02.80]
  • Sclerosis, scleroticspinal (cord) (progressive)combinedmultiple → G35.D
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressiveprimaryactive → G35.B1
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressiveprimarynon-active → G35.B2
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressiveprimarywithout evidence of inflammatory disease activity → G35.B2
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressivesecondaryactive → G35.C1
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressivesecondarynon-active → G35.C2
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressivesecondarywithout evidence of inflammatory disease activity → G35.C2
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)multiplesclerosiswith behavioral disturbance → G35.D [F02.81-]
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressiveprimarywithevidence of inflammatory disease activity → G35.B1
  • Sclerosis, scleroticmultiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord)progressivesecondarywithevidence of inflammatory disease activity → G35.C1

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

Hierarchy