I46
Non-billableCardiac arrest
Cardiac arrest
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
- •systemic connective tissue disordersM30-M36
- •transient cerebral ischemic attacks and related syndromesG45
- •cardiogenic shockR57.0
Child Codes (3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(29)
UMLS
- Arrest cardiacC0018790
- Arrest, CardiacC0018790
- Arrest, HeartC0018790
- AsystoleC0018790
- Asystole (disorder)C0018790
- AsystolesC0018790
- AsystoliaC0018790
- AsystolicC0018790
- Cardiac ArrestC0018790
- Cardiac arrestC0018790
- Cardiac arrest (disorder)C0018790
- Cardiac standstillC0018790
- Heart ArrestC0018790
- Heart arrestC0018790
- Heart stops beatingC0018790
- SCAC0018790
- Standstill cardiacC0018790
- Ventricular arrestC0018790
- Ventricular asystoleC0018790
- Ventricular asystoliaC0018790
- arrestC0018790
- arrest [as an cardiac arrest]C0018790
- arrestedC0018790
- asystoleC0018790
- asystoliaC0018790
- cardiac arrestC0018790
- cardiac asystoleC0018790
- heart arrestC0018790
- ventricular asystoleC0018790
Frequently Asked Questions
What is the ICD-10 code for cardiac arrest?
The ICD-10-CM code for cardiac arrest is I46. The full clinical description is "Cardiac arrest". I46 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code I46 mean?
ICD-10-CM code I46 represents “Cardiac arrest”. It is classified under Chapter 9: Diseases of the Circulatory System and is a non-billable header code. Use a more specific child code for billing purposes.
Is I46 a billable code?
No, I46 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under I46.
What chapter is I46 in?
I46 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What are the subcategories under I46?
I46 has 3 child codes, including: I46.2 (Cardiac arrest due to underlying cardiac condition), I46.8 (Cardiac arrest due to other underlying condition), I46.9 (Cardiac arrest, cause unspecified).
What are the UMLS CUIs for I46?
I46 is linked to 1 UMLS Concept Unique Identifier: C0018790. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I46 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like cardiac arrest 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 I46?
I46 maps to the ICD-11 code: MC82.Z (Cardiac arrest, unspecified).
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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.