G47.42
Non-billableNarcolepsy in conditions classified elsewhere
Narcolepsy in conditions classified elsewhere
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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
Child Codes (2)
Related Codes(1)
Related Conditions
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for narcolepsy in conditions classified elsewhere?
The ICD-10-CM code for narcolepsy in conditions classified elsewhere is G47.42. The full clinical description is "Narcolepsy in conditions classified elsewhere". G47.42 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code G47.42 mean?
ICD-10-CM code G47.42 represents “Narcolepsy in conditions classified elsewhere”. It is classified under Chapter 6: Diseases of the Nervous System and is a non-billable header code. Use a more specific child code for billing purposes.
Is G47.42 a billable code?
No, G47.42 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under G47.42.
What chapter is G47.42 in?
G47.42 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What are the subcategories under G47.42?
G47.42 has 2 child codes, including: G47.421 (Narcolepsy in conditions classified elsewhere with cataplexy), G47.429 (Narcolepsy in conditions classified elsewhere w/o cataplexy).
What are the UMLS CUIs for G47.42?
G47.42 is linked to 1 UMLS Concept Unique Identifier: C1456243. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G47.42 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like narcolepsy in conditions classified elsewhere 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 G47.42?
There is no direct ICD-11 mapping available for G47.42 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.