ICD-10-CM code "G47.421": Narcolepsy in conditions classified elsewhere with cataplexy (2024)

Overview

ICD-10 CodeG47.421
DescriptionNarcolepsy in conditions classified elsewhere with cataplexy
Hierarchy
  1. Diseases of the nervous system (G00-G99)
  2. Episodic and paroxysmal disorders (G40-G47)
  3. Sleep disorders (G47)
  4. Narcolepsy and cataplexy (G47.4)
  5. Narcolepsy in conditions classified elsewhere (G47.42)
  6. Narcolepsy in conditions classified elsewhere with cataplexy (G47.421)
Billable statusICD-10-CM Billable code

Excludes

  1. Diseases of the nervous system (G00-G99)

    Type 2certain conditions originating in the perinatal period (P04-P96)

    Type 2certain infectious and parasitic diseases (A00-B99)

    Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

    Type 2congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

    Type 2endocrine, nutritional and metabolic diseases (E00-E88)

    Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

    Type 2neoplasms (C00-D49)

    Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

  2. Episodic and paroxysmal disorders (G40-G47)
  3. Sleep disorders (G47)

    Type 2nightmares (F51.5)

    Type 2nonorganic sleep disorders (F51.-)

    Type 2sleep terrors (F51.4)

    Type 2sleepwalking (F51.3)

  4. Narcolepsy and cataplexy (G47.4)
  5. Narcolepsy in conditions classified elsewhere (G47.42)
  6. Narcolepsy in conditions classified elsewhere with cataplexy (G47.421)

Includes

  1. Diseases of the nervous system (G00-G99)
  2. Episodic and paroxysmal disorders (G40-G47)
  3. Sleep disorders (G47)
  4. Narcolepsy and cataplexy (G47.4)
  5. Narcolepsy in conditions classified elsewhere (G47.42)
  6. Narcolepsy in conditions classified elsewhere with cataplexy (G47.421)