I25.84
Billable codeCoronary atherosclerosis due to calcified coronary lesion
The ICD-10 code for coronary atherosclerosis due to calcified coronary lesion is I25.84.
Clinical notes
Code first
This code represents a manifestation of an underlying disease. Coding convention requires the underlying (etiology) code to be sequenced first, with this code listed second.
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Coronary atherosclerosis due to severely calcified coronary lesion
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code represents a manifestation. Documentation should identify the underlying condition, which must be coded first.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I25.81Atherosclerosis of other coronary vessels without angina pectorisnon-billable header
- I25.82Chronic total occlusion of coronary artery
- I25.83Coronary atherosclerosis due to lipid rich plaque
- I25.85Chronic coronary microvascular dysfunction
- I25.89Other forms of chronic ischemic heart disease
- I25.84Coronary atherosclerosis due to calcified coronary lesion
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 4144
Associated MS-DRGs
I25.84 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.