I99.8
Other disorder of circulatory system
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
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.-)
Official Guidelines for I99.8
FY 2026 ›Find I99.8 in the alphabetic index
19 index paths lead to this code
- Angiectasis, angiectopia
- Fluctuating blood pressure
- Ischemia, ischemic
- Atrophy, atrophic › vascular
- Circulation › collateral, any site
- Complication › circulatory system
- Congestion, congestive › circulatory NEC
- Dilatation › blood vessel
- Disease, diseased › circulatory NEC
- Dissection › vascular
- Insufficiency, insufficient › arteriovenous
- Insufficiency, insufficient › circulatory NEC
- Insufficiency, insufficient › vascular
- Obstruction, obstructed, obstructive › circulatory
- Obstruction, obstructed, obstructive › vessel NEC
- Occlusion, occluded › vascular NEC
- Occlusion, occluded › vessel
- Blood › pressure › fluctuating
- Disease, diseased › vascular › occlusive