I51
Non-billableComplications and ill-defined descriptions of heart disease
Complications and ill-defined descriptions of heart disease
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- any condition in I51.4-I51.9 due to hypertension (I11.-)
- any condition in I51.4-I51.9 due to hypertension and chronic kidney disease (I13.-)
- heart disease specified as rheumatic (I00-I09)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Child Codes (9)
I51.0Cardiac septal defect, acquired
I51.1Rupture of chordae tendineae, not elsewhere classified
I51.2Rupture of papillary muscle, not elsewhere classified
I51.3Intracardiac thrombosis, not elsewhere classified
I51.4Myocarditis, unspecified
I51.5Myocardial degeneration
I51.7Cardiomegaly
I51.8Other ill-defined heart diseases
I51.9Heart disease, unspecified
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code I51?
ICD-10-CM code I51 represents "Complications and ill-defined descriptions of heart disease". It is a non-billable header code — use a more specific child code for billing purposes.
Is I51 a billable code?
No, I51 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under I51.
What chapter is I51 in?
I51 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I51?
I51 has Excludes1 notes indicating codes that cannot be used together with it, including: any condition in I51.4-I51.9 due to hypertension (I11.-); any condition in I51.4-I51.9 due to hypertension and chronic kidney disease (I13.-); heart disease specified as rheumatic (I00-I09).
What are the subcategories under I51?
I51 has 9 child codes, including: I51.0 (Cardiac septal defect, acquired), I51.1 (Rupture of chordae tendineae, not elsewhere classified), I51.2 (Rupture of papillary muscle, not elsewhere classified), I51.3 (Intracardiac thrombosis, not elsewhere classified), and 5 more.
What are the UMLS CUIs for I51?
I51 is linked to 1 UMLS Concept Unique Identifier: C0155711. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.