Chronic total occlusion of coronary artery

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Chronic total occlusion of coronary artery

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from I25 Chronic ischemic heart disease

Excludes2 - not included here

non-ischemic myocardial injury (I5A)

Use additional 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)

Inherited from the I20-I25 section Ischemic heart diseases (I20-I25)

Code also

the presence of hypertension (I10-I1A)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Angiospasm
Arteriolith
Atheromatosis
Angiosclerosis
Arteriofibrosis
Atherosclerosis
Arteriolosclerosis
Arteritis > senile
Hardening > artery
Vasospasm > retina
Embolism > coronary
Arteriolar sclerosis
Hollenhorst's plaque
Stroke > cryptogenic
Arteritis > deformans
Body, bodies > cytoid
Embolism > ophthalmic
Endarteritis > senile
Ossification > artery
Arteritis > obliterans
Atheroma, atheromatous
Calcification > artery
Plaque > Hollenhorst's
Microembolism > retinal
Endarteritis > deformans
Change > arteriosclerotic
Damage > arteriosclerotic
Endarteritis > obliterans
Plaque > artery, arterial
Disease, diseased > artery
Embolism > retina, retinal
Embolism > artery > retinal
Infarct, infarction > brain
Sclerosis, sclerotic > senile
Embolism > artery > ophthalmic
Fibrosis, fibrotic > capillary
Sclerosis, sclerotic > general
Atheroma, atheromatous > artery
Sclerosis, sclerotic > vascular
Stenosis, stenotic > artery NEC

Showing 40 of 84 index phrases.

Codes in the same group

Code	Description	Status
I25.81	Atherosclerosis of other coronary vessels without angina pectoris	Not billable
I25.83	Coronary atherosclerosis due to lipid rich plaque	Valid
I25.84	Coronary atherosclerosis due to calcified coronary lesion	Valid
I25.85	Chronic coronary microvascular dysfunction	Valid
I25.89	Other forms of chronic ischemic heart disease	Valid