Specific code icon 2014 ICD-10-CM Diagnosis Code I73.9

Peripheral vascular disease, unspecified

  • I73.9 is a billable ICD-10-CM code that can be used to specify a diagnosis.
  • On October 1, 2015 ICD-10-CM will replace ICD-9-CM in the United States, therefore, I73.9 and all other ICD-10-CM codes should only be used for training or planning purposes until then.
Clinical Information
  • A symptom complex characterized by pain and weakness in skeletal muscle group associated with exercise, such as leg pain and weakness brought on by walking. Such muscle limpness disappears after a brief rest and is often relates to arterial stenosis; muscle ischemia; and accumulation of lactate.
  • Any disorder affecting blood flow through the veins or arteries outside of the heart.
  • Condition in which there is a deviation from or interruption of the normal structure or function of the blood vessels outside the heart; diseases of the peripheral as opposed to the cardiac circulation.
  • Pathological processes involving any one of the blood vessels in the vasculature outside the heart.
Applicable To
  • Intermittent claudication
  • Peripheral angiopathy NOS
  • Spasm of artery
Description Synonyms
  • Arterial insufficiency, posterial tibial
  • Claudication due to peripheral vascular disease
  • Claudication in peripheral vascular disease
  • Gangrene due to peripheral vascular disease
  • Pain at rest due to peripheral vascular disease
  • Peripheral arterial insufficiency
  • Peripheral arterial occlusive disease
  • Peripheral artery disease
  • Peripheral artery insufficiency
  • Peripheral vascular disease
  • Peripheral vascular disease w pain at rest
  • Peripheral vascular disease, rest pain
  • Posterior tibial artery insufficiency
  • Tissue necrosis in peripheral vascular disease
  • Tissue necrosis w gangrene in peripheral vascular disease
  • Vascular insufficiency of limb
Type 1 Excludes
Mortality Data
  • Between 1999-2007 there were 64,086 deaths in the United States where ICD-10 I73.9 was indicated as the underlying cause of death [source: cdc.govlink to cdc.gov]
  • ICD-10 I73.9 as underlying cause of death data broken down by: gender, age, race, year
ICD-10-CM I73.9 is grouped within Diagnostic Related Group(s) (MS-DRG v30.0):
  • 299 Peripheral vascular disorders with mcc
  • 300 Peripheral vascular disorders with cc
  • 301 Peripheral vascular disorders without cc/mcc
Convert ICD-10-CM I73.9 to ICD-9-CM
The following ICD-10-CM Index entries contain back-references to ICD-10-CM I73.9: