I78.0
Hereditary hemorrhagic telangiectasia
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 10 never code together
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 1
I78.0code
Inclusion terms
- Rendu-Osler-Weber disease
Index entries leading here 11
- Angioma — see also Hemangioma, by site
- hemorrhagicum hereditaria I78.0
- Angiomatosis Q82.8
- Babington's disease (familial hemorrhagic telangiectasia) I78.0
- Disease, diseased — see also Syndrome
- Epistaxis (multiple) R04.0
- hereditary I78.0
- Telangiectasia, telangiectasis (verrucous) I78.1
- Goldstein's disease (familial hemorrhagic telangiectasia) I78.0
- Syndrome — see also Disease
- Osler (-Weber) -Rendu disease I78.0
- Rendu-Osler-Weber disease or syndrome I78.0
- Weber-Osler syndrome I78.0
Alongside this code 3 same parent — I78
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.