I73

Other peripheral vascular diseases

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.

I73 is a non-billable ICD-10-CM code category for other peripheral vascular diseases. 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 I73.0 Raynaud's syndrome; I73.1 Thromboangiitis obliterans [Buerger's disease]; I73.8 Other specified peripheral vascular diseases and I73.9 Peripheral vascular disease, unspecified. Its coding notes include 14 Excludes2 entries.

Excludes2

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

This code
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.-)

More specific codes under I73 4