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ICD-10-CM Code I73.9
Peripheral vascular disease, unspecified

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

I73.9 is a billable ICD code used to specify a diagnosis of peripheral vascular disease, unspecified. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code I739 is used to code Gangrene

Gangrene (or gangrenous necrosis) is a type of necrosis caused by a critically insufficient blood supply. This potentially life-threatening condition may occur after an injury or infection, or in people suffering from any chronic health problem affecting blood circulation. The primary cause of gangrene is reduced blood supply to the affected tissues, which results in cell death. Diabetes and long-term smoking increase the risk of suffering from gangrene.

Specialty: Infectious Disease, General Surgery
MeSH Codes: D005734, D005734
ICD 9 Codes: 400, 785.4

Dry gangrene affecting the toes as a result of peripheral artery disease.

Source: Wikipedia

Coding Notes for I73.9 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Intermittent claudication
Peripheral angiopathy NOS
Spasm of artery
Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Atherosclerosis of the extremities (I70.2--I70.7-) - instead, use code I70.2-

MS-DRG Mapping

  • DRG Group #299-301 - Peripheral vascular disorders with MCC.
  • DRG Group #299-301 - Peripheral vascular disorders with CC.
  • DRG Group #299-301 - Peripheral vascular disorders without CC or MCC.

Related Concepts SNOMET-CT

  • Claudication (finding)

Coding Advice SNOMET-CT

  • Possible requirement for additional code to fully describe disease or condition

ICD-10-CM Alphabetical Index References for 'I73.9 - Peripheral vascular disease, unspecified'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I73.9. Click on any term below to browse the alphabetical index.

Vasodilation (I73.9)
Vasospasm(vasoconstriction) (I73.9)
Microangiopathy(peripheral) (I73.9)
Claudication, intermittent (I73.9)
Angiospasm(peripheral) (traumatic) (vessel) (I73.9)
Angiospastic disease or edema (I73.9)


Peripheral vascular disease, unspecified (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 443.9 was previously used, I73.9 is the appropriate modern ICD10 code.

Parent Code: I73 - Other peripheral vascular diseases

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I739