I33.9
BillableAcute and subacute endocarditis, unspecified
Acute and subacute endocarditis, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Acute endocarditis NOS
- Acute myoendocarditis NOS
- Acute periendocarditis NOS
- Subacute endocarditis NOS
- Subacute myoendocarditis NOS
- Subacute periendocarditis NOS
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 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
- Acute myoendocarditis30328003
- Acute myocarditis46701001
- Subacute endopericarditis48228003
- Subacute periendocarditis48228003
- Acute endopericarditis53874003
- Acute periendocarditis53874003
- Subacute endocarditis66893008
- Subacute myoendocarditis69589006
- Subacute pericarditis86504008
- Acute endocarditis91357005
- Abscess of cardiac septum405548009
- Abscess at site of ventricular septal defect459161004
- Abscess at site of interatrial communication459177003
- Heart disease co-occurrent with human immunodeficiency virus infection713298006
- Acute endocarditis co-occurrent with human immunodeficiency virus infection713511002
- Embolism due to non-infective heart valve vegetations1204121003
- Embolism from non-infective heart valve vegetations1204121003
- Acute nonbacterial endocarditis31701000119107
UMLS
- Acute EndocarditisC0375268
- Acute endocarditisC0375268
- Acute endocarditis (disorder)C0375268
- Acute endocarditis NOSC0375268
- Acute endocarditis, unspecifiedC0375268
- acute endocarditisC0375268
- Acute and Subacute Endocarditis, UnspecifiedC0155683
- Acute and subacute endocarditisC0155683
- Acute and subacute endocarditis, unspecifiedC0155683
- Acute endopericarditisC0264874
- Acute periendocarditisC0264874
- Acute periendocarditis (disorder)C0264874
- Acute periendocarditis NOSC0264874
- Acute myoendocarditisC0264872
- Acute myoendocarditis (disorder)C0264872
- Acute myoendocarditis NOSC0264872
- Subacute endocarditisC0264863
- Subacute endocarditis (disorder)C0264863
- Subacute endocarditis NOSC0264863
- subacute endocarditisC0264863
- subacute infective endocarditisC0264863
- Subacute endopericarditisC0264875
- Subacute periendocarditisC0264875
- Subacute periendocarditis (disorder)C0264875
- Subacute periendocarditis NOSC0264875
- Subacute myoendocarditisC0264873
- Subacute myoendocarditis (disorder)C0264873
- Subacute myoendocarditis NOSC0264873
Frequently Asked Questions
What is ICD-10 code I33.9?
ICD-10-CM code I33.9 represents "Acute and subacute endocarditis, unspecified". It is a billable/specific code that can be used on a claim.
Is I33.9 a billable code?
Yes, I33.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I33.9 in?
I33.9 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I33.9?
I33.9 has Excludes1 notes indicating codes that cannot be used together with it, including: acute rheumatic endocarditis (I01.1); endocarditis NOS (I38).
What SNOMED CT codes does I33.9 map to?
I33.9 maps to 15 SNOMED CT concepts: 459177003, 459161004, 405548009, 91357005, 713511002, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I33.9?
I33.9 is linked to 7 UMLS Concept Unique Identifiers: C0375268, C0155683, C0264874, C0264872, C0264863, and 2 more. 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.