I73.9
Peripheral vascular disease, unspecified
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 3 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 15 never code together
I73code
I00-I99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
- systemic connective tissue disorders (M30-M36)M30-M36
- transient cerebral ischemic attacks and related syndromes (G45.-)G45.-
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
I73.9code
Inclusion terms
- Intermittent claudication
- Peripheral angiopathy NOS
- Spasm of artery
Index entries leading here 23
- Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) I20.9
- cruris I73.9
- Angiopathia, angiopathy I99.9
- peripheral I73.9
- Dysbasia R26.2
- angiosclerotica intermittens I73.9
- Angiospasm (peripheral) (traumatic) (vessel) I73.9
- Edema, edematous (infectious) (pitting) (toxic) R60.9
- angiospastic I73.9
- Disease, diseased — see also Syndrome
- Angiospastic disease or edema I73.9
- Insufficiency, insufficient
- Arteriospasm I73.9
- Spasm (s) , spastic, spasticity R25.2
- Change (s) (in) (of) — see also Removal
- vasomotor I73.9
- Charcot's
- syndrome (intermittent claudication) I73.9
- Syndrome — see also Disease
- Claudication (intermittent) I73.9
- Dilatation
- vasomotor I73.9
- Disturbance (s) — see also Disease
- Labile
- vasomotor system I73.9
- Microangiopathy (peripheral) I73.9
- Vasospasm (vasoconstriction) I73.9
- peripheral NOS I73.9
- Phenomenon
- vasospastic I73.9
- Reflex R29.2
- vasoconstriction I73.9
- Vascular — see also condition
- spasm I73.9
- Vasodilation I73.9
Alongside this code 3 same parent — I73
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.