DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

G72 Other and unspecified myopathies

  • Header · not billable

G72 is not billable. The category heads 9 billable codes in FY2027, grouped under 7 subdivisions.

Index → code

  • Myopathy → G72.9
  • Adynamia (episodica) (hereditary) (periodic) → G72.3
  • Cavare's disease (familial periodic paralysis) → G72.3

Where it sits

  1. Chapter 6 Diseases of the nervous system (G00-G99)
  2. G70-G73 Diseases of myoneural junction and muscle (G70-G73)
  3. G72 Other and unspecified myopathies
Billable codes
9
Subdivisions
7
CC / MCC codes
4 / 0
HCC V28 codes
1
New FY2027
0
Index entries
29

Codes in G72

  1. G72.0
    Drug-induced myopathy
    BillableCC
    Use additional code 1

    Use additional code

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) T36 T50
  2. G72.1
    Alcoholic myopathy
    BillableCC
    Use additional code 1

    Use additional code

    • code to identify alcoholism (F10.-) F10
  3. G72.2
    Myopathy due to other toxic agents
    BillableCC
    Code first 1

    Code first

    • (T51-T65) to identify toxic agent T51 T65
  4. G72.3
    Periodic paralysis
    Billable
    Inclusion terms 6, Excludes1 1

    Inclusion terms

    • Familial periodic paralysis
    • Hyperkalemic periodic paralysis (familial)
    • Hypokalemic periodic paralysis (familial)
    • Myotonic periodic paralysis (familial)
    • Normokalemic paralysis (familial)
    • Potassium sensitive periodic paralysis

    Excludes1

    • paramyotonia congenita (of von Eulenburg) (G71.19) G71.19
  5. G72.4
    Inflammatory and immune myopathies, not elsewhere classified
    Header
  6. G72.41
    Inclusion body myositis [IBM]
    Billable93
  7. G72.49
    Other inflammatory and immune myopathies, not elsewhere classified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Inflammatory myopathy NOS
  8. G72.8
    Other specified myopathies
    Header
  9. G72.81
    Critical illness myopathy
    BillableCC
    Inclusion terms 4

    Inclusion terms

    • Acute necrotizing myopathy
    • Acute quadriplegic myopathy
    • Intensive care (ICU) myopathy
    • Myopathy of critical illness
  10. G72.89
    Other specified myopathies
    Billable
  11. G72.9
    Myopathy, unspecified
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At G72

Excludes1

  • arthrogryposis multiplex congenita (Q74.3) Q74.3
  • dermatopolymyositis (M33.-) M33
  • ischemic infarction of muscle (M62.2-) M62.2
  • myositis (M60.-) M60
  • polymyositis (M33.2.-) M33.2

Notes that also apply

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

Index entries

  • Adynamia (episodica) (hereditary) (periodic) → G72.3
  • Cavare's disease (familial periodic paralysis) → G72.3
  • Gamstorp's disease (adynamia episodica hereditaria) → G72.3
  • Myopathy → G72.9
  • Myopathydrug-induced → G72.0
  • Myopathyalcoholic → G72.1
  • Myopathytoxic → G72.2
  • Disease, diseasedCavare's (familial periodic paralysis) → G72.3
  • Disease, diseasedfamilial periodic paralysis → G72.3
  • Disease, diseasedGamstorp's (adynamia episodica hereditaria) → G72.3
  • Paralysis, paralytic (complete) (incomplete)familial (recurrent) (periodic) → G72.3
  • Paralysis, paralytic (complete) (incomplete)hyperkalemic periodic (familial) → G72.3
  • Paralysis, paralytic (complete) (incomplete)hypokalemic periodic → G72.3
  • Paralysis, paralytic (complete) (incomplete)normokalemic periodic → G72.3
  • Paralysis, paralytic (complete) (incomplete)periodic (familial) (hyperkalemic) (hypokalemic) (myotonic) (normokalemic) (potassium sensitive) (secondary) → G72.3
  • Myositisinclusion body [IBM] → G72.41
  • Myopathyimmune NEC → G72.49
  • Myopathyinflammatory NEC → G72.49
  • Myopathycritical illness → G72.81
  • Myopathyintensive care (ICU) → G72.81
  • Myopathyof critical illness → G72.81
  • Myopathyprogressive NEC → G72.89
  • Myopathyspecified NEC → G72.89
  • Paralysis, paralytic (complete) (incomplete)muscle, muscular NEC → G72.89
  • Myopathyin (due to)drugs → G72.0
  • Myopathyin (due to)alcohol → G72.1
  • Myopathyin (due to)toxic agent NEC → G72.2
  • Myopathyacutenecrotizing → G72.81
  • Myopathyacutequadriplegic → G72.81

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

Hierarchy