I50.23
BillableAcute on chronic systolic (congestive) heart failure
Acute on chronic systolic (congestive) heart failure
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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
- •cardiac arrestI46
- •neonatal cardiac failureP29.0
Code First
The underlying condition must be sequenced before this code
Code Also
A second code may be required; sequencing depends on circumstances
Related Codes(3)
Related Conditions
Also Known As / Clinical Terms(32)
SNOMED CT
- Decreased cardiac function43650005
- Chronic systolic heart failure441481004
- Acute on chronic systolic heart failure443253003
- Acute systolic heart failure443254009
- HFrEF - heart failure with reduced ejection fraction703272007
- Heart failure with reduced ejection fraction703272007
- Acute exacerbation of chronic heart failure1296659009
- Acute on chronic heart failure1296659009
- Chronic heart failure with reduced ejection fraction7381000175100
- Reduced ejection fraction co-occurrent and due to chronic heart failure7381000175100
- Decreased cardiac ejection fraction435861000124109
- Reduced ejection fraction co-occurrent and due to acute heart failure7391000175102
- Reduced ejection fraction co-occurrent and due to acute on chronic heart failure7371000175103
UMLS
Clinical Terms
- Decreased cardiac ejection fraction
- Acute on chronic systolic heart failure (disorder)
- Acute exacerbation of chronic heart failure
- Heart failure with reduced ejection fraction
- Reduced ejection fraction co-occurrent and due to acute on chronic heart failure
- Acute on chronic systolic heart failure
- Decreased cardiac function
- Reduced ejection fraction co-occurrent and due to chronic heart failure
- Reduced ejection fraction co-occurrent and due to acute heart failure
- HFrEF - heart failure with reduced ejection fraction
- Acute on Chronic Systolic Congestive Heart Failure
- Acute on chronic heart failure
- Chronic systolic heart failure
- Acute systolic heart failure
- Chronic heart failure with reduced ejection fraction
Frequently Asked Questions
What is the ICD-10 code for acute on chronic systolic (congestive) heart failure?
The ICD-10-CM code for acute on chronic systolic (congestive) heart failure is I50.23. The full clinical description is "Acute on chronic systolic (congestive) heart failure". I50.23 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I50.23 mean?
ICD-10-CM code I50.23 represents “Acute on chronic systolic (congestive) heart failure”. It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.
Is I50.23 a billable code?
Yes, I50.23 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I50.23 in?
I50.23 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I50.23?
I50.23 has Excludes1 notes indicating codes that cannot be used together with it, including: combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-).
What SNOMED CT codes does I50.23 map to?
I50.23 maps to 10 SNOMED CT concepts: 1296659009, 443253003, 443254009, 7381000175100, 441481004, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I50.23?
I50.23 is linked to 1 UMLS Concept Unique Identifier: C2733492. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I50.23 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like acute on chronic systolic (congestive) heart failure 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 I50.23?
There is no direct ICD-11 mapping available for I50.23 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.