I51.4
BillableMyocarditis, unspecified
Myocarditis, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Chronic (interstitial) myocarditis
- Myocardial fibrosis
- Myocarditis NOS
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)
- acute or subacute myocarditis (I40.-)
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.-)
Also Known As / Clinical Terms
SNOMED CT
- Senile myocarditis279001
- Fibroid myocarditis488007
- Interstitial myocarditis37925008
- Chronic interstitial myocarditis45093008
- Acute myocarditis46701001
- Myocardial inflammation50920009
- Myocarditis50920009
- Myocarditis caused by physical agent79096004
- Myocarditis caused by radiation88782004
- Acute HIV infection111880001
- Acute human immunodeficiency virus infection111880001
- Acute human immunodeficiency virus seroconversion illness111880001
- Myocarditis with AIDS (acquired immunodeficiency syndrome)421929001
- Myocarditis with acquired immunodeficiency syndrome421929001
- Lymphocytic myocarditis427443009
- Heart disease caused by ionising radiation430401005
- Heart disease caused by ionizing radiation430401005
- HFpEF - heart failure with preserved ejection fraction446221000
- Heart failure with normal ejection fraction446221000
- Heart failure with preserved ejection fraction446221000
- HFrEF - heart failure with reduced ejection fraction703272007
- Heart failure with reduced ejection fraction703272007
- Heart failure with reduced ejection fraction due to myocarditis703274008
- Heart disease co-occurrent with human immunodeficiency virus infection713298006
- Myocarditis co-occurrent with human immunodeficiency virus infection713318009
- Left ventricular failure with normal ejection fraction due to myocarditis1204204003
- Myocardial dysfunction with sepsis1204460007
- Sepsis-associated myocardial dysfunction1204460007
- Chronic myocarditis451241000124108
UMLS
- Cardiac FibrosisC0151654
- Cardiac fibrosisC0151654
- Fibrosis myocardialC0151654
- Myocardial FibrosisC0151654
- Myocardial fibrosisC0151654
- fibrosis myocardialC0151654
- myocardial fibrosisC0151654
- Chronic (interstitial) myocarditisC0264852
- Chronic interstitial myocarditisC0264852
- Chronic interstitial myocarditis (disorder)C0264852
- Inflammation of heart muscleC0027059
- Myocardial inflammationC0027059
- MyocarditidesC0027059
- MyocarditisC0027059
- Myocarditis (disorder)C0027059
- Myocarditis NOSC0027059
- Myocarditis, unspecifiedC0027059
- myocarditisC0027059
Frequently Asked Questions
What is ICD-10 code I51.4?
ICD-10-CM code I51.4 represents "Myocarditis, unspecified". It is a billable/specific code that can be used on a claim.
Is I51.4 a billable code?
Yes, I51.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I51.4 in?
I51.4 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I51.4?
I51.4 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); and 1 more.
What SNOMED CT codes does I51.4 map to?
I51.4 maps to 20 SNOMED CT concepts: 111880001, 46701001, 45093008, 451241000124108, 488007, and 15 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I51.4?
I51.4 is linked to 3 UMLS Concept Unique Identifiers: C0151654, C0264852, C0027059. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.