I25.8
Non-billableOther forms of chronic ischemic heart disease
Other forms of chronic ischemic heart disease
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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.-)
- non-ischemic myocardial injury (I5A)
Use Additional Code
Additional codes that should follow this code
Code Also
A second code may be required; sequencing depends on circumstances
- the presence of hypertension (I10-I1A)
Child Codes (6)
I25.81Atherosclerosis of oth coronary vessels w/o angina pectoris
I25.82Chronic total occlusion of coronary artery
I25.83Coronary atherosclerosis due to lipid rich plaque
I25.84Coronary atherosclerosis due to calcified coronary lesion
I25.85Chronic coronary microvascular dysfunction
I25.89Other forms of chronic ischemic heart disease
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code I25.8?
ICD-10-CM code I25.8 represents "Other forms of chronic ischemic heart disease". It is a non-billable header code — use a more specific child code for billing purposes.
Is I25.8 a billable code?
No, I25.8 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under I25.8.
What chapter is I25.8 in?
I25.8 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What are the subcategories under I25.8?
I25.8 has 6 child codes, including: I25.81 (Atherosclerosis of oth coronary vessels w/o angina pectoris), I25.82 (Chronic total occlusion of coronary artery), I25.83 (Coronary atherosclerosis due to lipid rich plaque), I25.84 (Coronary atherosclerosis due to calcified coronary lesion), and 2 more.
Are additional codes required with I25.8?
Yes, when using I25.8 you should also code: code to identify:; chronic total occlusion of coronary artery (I25.82); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).
What are the UMLS CUIs for I25.8?
I25.8 is linked to 1 UMLS Concept Unique Identifier: C0155669. 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.