I09.1

Rheumatic diseases of endocardium, valve unspecified

Billable / specific

I09.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Rheumatic endocarditis (chronic)
  • Rheumatic valvulitis (chronic)

Excludes1

Not coded here — never report together with this code.

  • endocarditis, valve unspecified (I38)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from I09)
  • certain infectious and parasitic diseases (A00-B99) (from I09)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from I09)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from I09)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from I09)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from I09)
  • neoplasms (C00-D49) (from I09)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from I09)
  • systemic connective tissue disorders (M30-M36) (from I09)
  • transient cerebral ischemic attacks and related syndromes (G45.-) (from I09)

Also known as

  • Rheumatic endocarditis (chronic)
  • Rheumatic valvulitis (chronic)
  • Endocarditis, with rheumatic fever, inactive or quiescent
  • Endocarditis, rheumatic
  • Fever, rheumatic, inactive or quiescent with, endocarditis

Parent code

  • I09Other rheumatic heart diseasesHeader

Related codes

  • I09.0Rheumatic myocarditisBillable
  • I09.2Chronic rheumatic pericarditisBillable
  • I09.8Other specified rheumatic heart diseasesHeader
  • I09.9Rheumatic heart disease, unspecifiedBillable

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