I77.81
Non-billableAortic ectasia
Aortic ectasia
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Ectasis aorta
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •transient cerebral ischemic attacks and related syndromesG45
- •collagen (vascular) diseasesM30-M36
- •hypersensitivity angiitisM31.0
- •pulmonary arteryI28
Child Codes (4)
Related Codes(2)
Also Known As / Clinical Terms(16)
UMLS
- Aortic DilatationC0265004
- Aortic DilationC0265004
- Aortic dilatationC0265004
- Aortic dilationC0265004
- Aortic ectasiaC0265004
- Aortic ectasyC0265004
- Bulge in wall of large artery that carries blood away from heartC0265004
- Dilatation of aortaC0265004
- Dilatation of aorta (disorder)C0265004
- Enlarged aortaC0265004
- aorta dilationC0265004
- aortic dilatationC0265004
- aortic ectasiaC0265004
- dilatation of aortaC0265004
- dilation aortaC0265004
- Ectasis aortaC2921067
Frequently Asked Questions
What is the ICD-10 code for aortic ectasia?
The ICD-10-CM code for aortic ectasia is I77.81. The full clinical description is "Aortic ectasia". I77.81 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code I77.81 mean?
ICD-10-CM code I77.81 represents “Aortic ectasia”. It is classified under Chapter 9: Diseases of the Circulatory System and is a non-billable header code. Use a more specific child code for billing purposes.
Is I77.81 a billable code?
No, I77.81 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under I77.81.
What chapter is I77.81 in?
I77.81 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I77.81?
I77.81 has Excludes1 notes indicating codes that cannot be used together with it, including: aortic aneurysm and dissection (I71.-).
What are the subcategories under I77.81?
I77.81 has 4 child codes, including: I77.810 (Thoracic aortic ectasia), I77.811 (Abdominal aortic ectasia), I77.812 (Thoracoabdominal aortic ectasia), I77.819 (Aortic ectasia, unspecified site).
What are the UMLS CUIs for I77.81?
I77.81 is linked to 2 UMLS Concept Unique Identifiers: C0265004, C2921067. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I77.81 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like aortic ectasia affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of I77.81?
There is no direct ICD-11 mapping available for I77.81 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.