I00–I99: Diseases of the Circulatory System
Chapter 9 of ICD-10-CM 2027, 1,807 codes in 10 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- 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.-)
Codes in this chapter
All codesBillable only1,807 results
- 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
- I51.81Takotsubo syndrome
- I51.89Other ill-defined heart diseases
- I51.9Heart disease, unspecified
- I52Other heart disorders in diseases classified elsewhere
- I5ANon-ischemic myocardial injury (non-traumatic)
- I60Nontraumatic subarachnoid hemorrhage
- I60.0Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcation
- I60.00Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation
- I60.01Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation
- I60.02Nontraumatic subarachnoid hemorrhage from left carotid siphon and bifurcation
- I60.1Nontraumatic subarachnoid hemorrhage from middle cerebral artery
- I60.10Nontraumatic subarachnoid hemorrhage from unspecified middle cerebral artery
- I60.11Nontraumatic subarachnoid hemorrhage from right middle cerebral artery
- I60.12Nontraumatic subarachnoid hemorrhage from left middle cerebral artery
- I60.2Nontraumatic subarachnoid hemorrhage from anterior communicating artery
- I60.3Nontraumatic subarachnoid hemorrhage from posterior communicating artery
- I60.30Nontraumatic subarachnoid hemorrhage from unspecified posterior communicating artery
- I60.31Nontraumatic subarachnoid hemorrhage from right posterior communicating artery
- I60.32Nontraumatic subarachnoid hemorrhage from left posterior communicating artery
- I60.4Nontraumatic subarachnoid hemorrhage from basilar artery
- I60.5Nontraumatic subarachnoid hemorrhage from vertebral artery
- I60.50Nontraumatic subarachnoid hemorrhage from unspecified vertebral artery
- I60.51Nontraumatic subarachnoid hemorrhage from right vertebral artery
- I60.52Nontraumatic subarachnoid hemorrhage from left vertebral artery
- I60.6Nontraumatic subarachnoid hemorrhage from other intracranial arteries
- I60.7Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery
- I60.8Other nontraumatic subarachnoid hemorrhage
- I60.9Nontraumatic subarachnoid hemorrhage, unspecified
- I61Nontraumatic intracerebral hemorrhage
- I61.0Nontraumatic intracerebral hemorrhage in hemisphere, subcortical
- I61.1Nontraumatic intracerebral hemorrhage in hemisphere, cortical
- I61.2Nontraumatic intracerebral hemorrhage in hemisphere, unspecified
- I61.3Nontraumatic intracerebral hemorrhage in brain stem
- I61.4Nontraumatic intracerebral hemorrhage in cerebellum
- I61.5Nontraumatic intracerebral hemorrhage, intraventricular
- I61.6Nontraumatic intracerebral hemorrhage, multiple localized
- I61.8Other nontraumatic intracerebral hemorrhage
- I61.9Nontraumatic intracerebral hemorrhage, unspecified
- I62Other and unspecified nontraumatic intracranial hemorrhage
- I62.0Nontraumatic subdural hemorrhage
- I62.00Nontraumatic subdural hemorrhage, unspecified
- I62.01Nontraumatic acute subdural hemorrhage