Alphabetic Index FY2027

I74

Arterial embolism and thrombosis

FY2027Chapter 9: Diseases of the circulatory system/I70–I79 Diseases of arteries, arterioles and capillaries

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

I74 is a non-billable ICD-10-CM code category for arterial embolism and thrombosis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are I74.0 Embolism and thrombosis of abdominal aorta, I74.1 Embolism and thrombosis of other and unspecified parts of aorta, I74.2 Embolism and thrombosis of arteries of the upper extremities, I74.3 Embolism and thrombosis of arteries of the lower extremities and 4 more. Its coding notes include a Code first instruction and 23 Excludes2 entries.

Code first

If the underlying condition listed here is present and known, sequence it first.

This code
  • embolism and thrombosis complicating abortion or ectopic or molar pregnancy (O00-O07, O08.2)
  • embolism and thrombosis complicating pregnancy, childbirth and the puerperium (O88.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code
  • atheroembolism (I75.-)
  • basilar embolism and thrombosis (I63.0-I63.2, I65.1)
  • carotid embolism and thrombosis (I63.0-I63.2, I65.2)
  • cerebral embolism and thrombosis (I63.3-I63.5, I66.-)
  • coronary embolism and thrombosis (I21-I25)
  • mesenteric embolism and thrombosis (K55.0-)
  • ophthalmic embolism and thrombosis (H34.-)
  • precerebral embolism and thrombosis NOS (I63.0-I63.2, I65.9)
  • pulmonary embolism and thrombosis (I26.-)
  • renal embolism and thrombosis (N28.0)
  • retinal embolism and thrombosis (H34.-)
  • septic embolism and thrombosis (I76)
  • vertebral embolism and thrombosis (I63.0-I63.2, I65.0)
Also from chapter/block level (10 notes)
Inherited from Chapter 9 Diseases of the circulatory system
  • 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.-)

Includes

Further defines or gives examples of the content of the category.

This code
  • embolic infarction
  • embolic occlusion
  • thrombotic infarction
  • thrombotic occlusion

More specific codes under I74 8