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I33.9 - Acute and subacute endocarditis, unspecified


The ICD 10 Code for Acute and subacute endocarditis, unspecified is listed as I33.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I33.9
Description: Acute and subacute endocarditis, unspecified
  • Acute endocarditis NOS
  • Acute myoendocarditis NOS
  • Acute periendocarditis NOS
  • Subacute endocarditis NOS
  • Subacute myoendocarditis NOS
  • Subacute periendocarditis NOS
Diagnostic Related Groups
(MS-DRG v30.0)
288 - Acute & Subacute Endocarditis W Mcc
289 - Acute & Subacute Endocarditis W Cc
290 - Acute & Subacute Endocarditis W/o Cc/mcc
793 - Full Term Neonate W Major Problems
974 - Hiv W Major Related Condition W Mcc
975 - Hiv W Major Related Condition W Cc
976 - Hiv W Major Related Condition W/o Cc/mcc
Chapter Diseases of the circulatory system (I00-I99)
Block Other forms of heart disease (I30-I52)
Parent I33 - Acute and subacute endocarditis
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 421.9 - Acute endocarditis, unspecified
ICD-10-CM Siblings (same level / similar specificity) of I33.9:
I33.0 - Acute and subacute infective endocarditis