I82.9
Embolism and thrombosis of unspecified vein
Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 12 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 19 never code together
I82code
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.-
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 12 same parent — I82
I82.0 Budd-Chiari syndrome I82.1 Thrombophlebitis migrans I82.2 Embolism and thrombosis of vena cava and oth thoracic veins category I82.3 Embolism and thrombosis of renal vein I82.4 Acute embolism and thrombosis of deep veins of low extrm category I82.5 Chronic embolism and thrombosis of deep veins of low extrm category I82.6 Acute embolism and thrombosis of veins of upper extremity category I82.7 Chronic embolism and thrombosis of veins of upper extremity category I82.A Embolism and thrombosis of axillary vein category I82.B Embolism and thrombosis of subclavian vein category I82.C Embolism and thrombosis of internal jugular vein category I82.8 Embolism and thrombosis of other specified veins category
Subordinate codes 2
Medications 2
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.