G47.421
BillableNarcolepsy in conditions classified elsewhere with cataplexy
Narcolepsy in conditions classified elsewhere with cataplexy
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •nightmaresF51.5
- •nonorganic sleep disordersF51
- •sleep terrorsF51.4
- •sleepwalkingF51.3
Code First
The underlying condition must be sequenced before this code
- underlying condition
Related Conditions
Also Known As / Clinical Terms(16)
SNOMED CT
UMLS
Clinical Terms
- Secondary narcolepsy with cataplexy
- Secondary narcolepsy
- Gelineau's syndrome
- Narcolepsy
- Primary hypersomnia
- Narcoleptic syndrome
- Paroxysmal sleep
Frequently Asked Questions
What is the ICD-10 code for narcolepsy in conditions classified elsewhere with cataplexy?
The ICD-10-CM code for narcolepsy in conditions classified elsewhere with cataplexy is G47.421. The full clinical description is "Narcolepsy in conditions classified elsewhere with cataplexy". G47.421 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G47.421 mean?
ICD-10-CM code G47.421 represents “Narcolepsy in conditions classified elsewhere with cataplexy”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G47.421 a billable code?
Yes, G47.421 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G47.421 in?
G47.421 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What SNOMED CT codes does G47.421 map to?
G47.421 maps to 4 SNOMED CT concepts: 60380001, 36124002, 434241000124107, 434261000124106. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G47.421?
G47.421 is linked to 1 UMLS Concept Unique Identifier: C1456242. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G47.421 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like narcolepsy in conditions classified elsewhere with cataplexy affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G47.421?
There is no direct ICD-11 mapping available for G47.421 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.