2024 ICD-10-CM Diagnosis Code I71.20
Thoracic aortic aneurysm, without rupture, unspecified
- ICD-10-CM Code:
- I71.20
- ICD-10 Code for:
- Thoracic aortic aneurysm, without rupture, unspecified
- Is Billable?
- Yes - Valid for Submission
- Chronic Condition Indicator: [1]
- Chronic
- Code Navigator:
I71.20 is a billable diagnosis code used to specify a medical diagnosis of thoracic aortic aneurysm, without rupture, unspecified. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.
Unspecified diagnosis codes like I71.20 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Aneurysm of thoracic aorta
- Arterial obstruction due to thrombotic embolism from aneurysm of artery
- Arterial obstruction due to thrombotic embolism from aneurysm of thoracic aorta
- Thoracic aortic aneurysm without rupture
Clinical Classification
Clinical Category is Aortic; peripheral; and visceral artery aneurysms
- CCSR Category Code: CIR029
- Inpatient Default CCSR: Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.
- Outpatient Default CCSR: Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.
Index to Diseases and Injuries References
The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).
- - Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) - I72.9
- - aorta, aortic (nonsyphilitic) - I71.9
- - thoracic - I71.20
- - thorax, thoracic - I71.20
- - intrathoracic (nonsyphilitic) - See Also: Aneurysm, aorta, thorax; - I71.20
- - aorta, aortic (nonsyphilitic) - I71.9
- - Disease, diseased - See Also: Syndrome;
- - Hodgson's - See Also: Aneurysm, aorta, thorax; - I71.20
- - Hodgson's - See Also: Aneurysm, aorta, thorax; - I71.20
Replacement Code
I7120 replaces the following previously assigned ICD-10-CM code(s):
- I71.2 - Thoracic aortic aneurysm, without rupture
Code History
- FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
- FY 2023 - Code Added, effective from 10/1/2022 through 9/30/2023
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.