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CPT 9002F: Aortic Aneurysm Documented 5.0–5.4 cm on CT

CPT code 9002F represents provider documentation of an aortic aneurysm with a diameter of 5.0 to 5.4 cm identified on computed tomography. Accurate size documentation for aortic aneurysms is clinically important because diameter thresholds inform surveillance intervals and decisions about elective repair; standardized coding supports consistent reporting for quality measurement and payer adjudication. Nationally, this type of documented finding influences imaging follow-up, specialty referral patterns, and population-level monitoring of aortic disease.

This analysis covers major national payers including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find benchmarks for utilization and coverage trends, context on clinical thresholds tied to the code, and notes on documentation practices that affect claims processing. The report also summarizes how the code fits into clinical workflows for diagnostic imaging and vascular surgery referral pathways.

What readers will learn: the clinical meaning of the code and its implications for care coordination; typical sites of service where the code is recorded; payer coverage considerations and common claims issues; and where documentation quality affects reporting and payment. Data not available in the input is clearly marked in the relevant sections.

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Billing Code Overview

CPT code 9002F documents an aortic aneurysm measuring 5.0 to 5.4 cm in diameter as identified on a computed tomographic (CT) imaging study. This code indicates that the provider recorded the presence and size of a weakened, bulging section of the aorta using CT imaging.

Service type: Diagnostic imaging interpretation and clinical documentation of aortic aneurysm size
Typical site of service: Hospital radiology department or outpatient imaging center

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CPT 9002F: Aortic Aneurysm Documented 5.0–5.4 cm on CT

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Billing Code Overview

Service type: Diagnostic imaging interpretation and clinical documentation of aortic aneurysm size
Typical site of service: Hospital radiology department or outpatient imaging center

Clinical & Coding Specifications

Clinical Context

A 72-year-old male with a history of hypertension and tobacco use presents for surveillance imaging after an incidental abdominal aortic aneurysm (AAA) was identified on prior imaging. The patient undergoes a contrast-enhanced computed tomographic (CT) angiography of the abdomen and pelvis to characterize aneurysm size, extent, and features. The radiologist documents an aortic aneurysm with a maximal transverse diameter of 5.0 to 5.4 cm. Clinical workflow: outpatient referral from primary care or vascular surgery → pre-procedure assessment and IV contrast screening → CT angiography performed in the radiology suite → radiologist measures aneurysm dimensions, assesses for mural thrombus, dissection, or rupture signs, and issues an official read; results are communicated to the referring vascular surgeon for management planning (continued surveillance vs. elective repair). Typical site of service: hospital outpatient radiology department or freestanding imaging center.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	Use when reporting only the interpreting physician's technical component is billed separately from the facility.
`TC`	Technical component	Use when billing only the facility/technical portion of the imaging study.
`25`	Significant, separately identifiable evaluation and management service by the same physician on the same day	Use when a same-day unrelated E/M service is documented in addition to the imaging interpretation.
`57`	Decision for surgery	Use when the visit resulting in the imaging order led to the decision to perform surgery on the same day (applies to E/M, not the imaging CPT itself).
`59`	Distinct procedural service	Use when two services that are normally bundled are performed separately and not specifically identified by an NCCI modifier.
`52`	Reduced services	Use when the imaging service is partially reduced or not fully performed.
`53`	Discontinued procedure	Use when the imaging procedure is started but discontinued due to patient instability or other valid reason.
`PS`	Physician-service	Use in some Medicare contractors when distinguishing interpreting physician vs facility billing (jurisdiction specific).
`GQ`	Telehealth asynchronous — store and forward	Use when the interpretation was provided via asynchronous telemedicine in applicable scenarios.
`GC`	This service has been performed in part by a resident under the direction of a teaching physician	Use when a resident participated and the teaching physician documents oversight per payer rules.

Taxonomy Code	Specialty	Notes
`207RG0400X`	Radiology	Diagnostic radiologists commonly interpret CT angiography for aortic aneurysm measurement and assessment.
`207RH0002X`	Vascular Surgery	Vascular surgeons manage aneurysm surveillance and operative planning based on imaging measurements.
`207RH0000X`	Cardiothoracic Surgery	Cardiothoracic surgeons may be involved for thoracic aortic aneurysms and operative care.
`2080P0007X`	Internal Medicine - Hospitalist	Hospitalists may coordinate inpatient imaging and care when aneurysm is discovered during admission.
`207L00000X`	Diagnostic Radiology - Interventional Radiology	Interventional radiologists perform endovascular aneurysm repair planning and often review imaging.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I71.4`	Abdominal aortic aneurysm, without rupture	Primary diagnosis for an AAA measuring `5.0`–`5.4` cm on CT; guides surveillance versus repair decisions.
`I71.3`	Thoracoabdominal aortic aneurysm, without rupture	Relevant if aneurysm spans thoracic and abdominal segments; impacts imaging extent and surgical planning.
`I71.9`	Aortic aneurysm, unspecified, without rupture	Used when documentation does not localize the aneurysm precisely; less preferred if location is known.
`I71.2`	Thoracic aortic aneurysm, without rupture	Pertinent for aneurysms located in the thoracic aorta; CT chest protocols apply.
`I72.3`	Aneurysm of iliac artery	Important when aneurysm extends into iliac arteries; CT abdomen/pelvis used to evaluate distal extension.
`Z13.6`	Encounter for screening for cardiovascular disorders	May be used for surveillance imaging encounters when screening/surveillance is the primary purpose.
`R07.9`	Chest pain, unspecified	Symptom code used when imaging is performed for chest pain evaluation and an aneurysm is identified.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`71260`	CT chest, without contrast material, followed by contrast material(s) and further sections; single portal venous phase	Used for thoracic aortic imaging when evaluating thoracic aortic aneurysm extent and size.
`72192`	Computed tomography, pelvis; with contrast material(s)	May be performed with abdominal CT to evaluate iliac artery extension of an abdominal aortic aneurysm.
`74175`	Computed tomography, abdomen and pelvis; with contrast material(s)	Combined abdominal and pelvic CTA often used to assess aneurysm distal extent and branch vessels in preoperative planning.
`795.2`	Data not available in the input.	Data not available in the input.
`93010`	Data not available in the input.	Data not available in the input.
`77012`	Data not available in the input.	Data not available in the input.

Related Codes

CPT-9001F-AORTIC-ANEURYSM-CT-UNDER-5CM

CPT 9001F: Aortic Aneurysm on CT, Max Diameter <5.0 cm

CPT-9003F-AORTIC-ANEURYSM-CT-55-59-CM

CPT 9003F: CT-Documented Aortic Aneurysm, 5.5–5.9 cm

CPT-9004F-AORTIC-ANEURYSM-CT-6CM-OR-GREATER

CPT 9004F: Aortic Aneurysm ≥6.0 cm on CT

CPT-9005F-ASYMPTOMATIC-CAROTID-ARTERY-STENOSIS

CPT 9005F: Asymptomatic Carotid Artery Stenosis

CPT-9006F-CAROTID-ARTERY-STENOSIS-SYMPTOMATIC-WITHIN-120-DAYS

CPT 9006F: Symptomatic Carotid Artery Stenosis within 120 Days

CPT-9007F-CAROTID-ARTERY-STENOSIS-WITH-PRIOR-TIA-OR-STROKE

CPT 9007F: Carotid Artery Stenosis with Prior TIA or Stroke

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	Use when reporting only the interpreting physician's technical component is billed separately from the facility.
`TC`	Technical component	Use when billing only the facility/technical portion of the imaging study.
`25`	Significant, separately identifiable evaluation and management service by the same physician on the same day	Use when a same-day unrelated E/M service is documented in addition to the imaging interpretation.
`57`	Decision for surgery	Use when the visit resulting in the imaging order led to the decision to perform surgery on the same day (applies to E/M, not the imaging CPT itself).
`59`	Distinct procedural service	Use when two services that are normally bundled are performed separately and not specifically identified by an NCCI modifier.
`52`	Reduced services	Use when the imaging service is partially reduced or not fully performed.
`53`	Discontinued procedure	Use when the imaging procedure is started but discontinued due to patient instability or other valid reason.
`PS`	Physician-service	Use in some Medicare contractors when distinguishing interpreting physician vs facility billing (jurisdiction specific).
`GQ`	Telehealth asynchronous — store and forward	Use when the interpretation was provided via asynchronous telemedicine in applicable scenarios.
`GC`	This service has been performed in part by a resident under the direction of a teaching physician	Use when a resident participated and the teaching physician documents oversight per payer rules.

Taxonomy Code	Specialty	Notes
`207RG0400X`	Radiology	Diagnostic radiologists commonly interpret CT angiography for aortic aneurysm measurement and assessment.
`207RH0002X`	Vascular Surgery	Vascular surgeons manage aneurysm surveillance and operative planning based on imaging measurements.
`207RH0000X`	Cardiothoracic Surgery	Cardiothoracic surgeons may be involved for thoracic aortic aneurysms and operative care.
`2080P0007X`	Internal Medicine - Hospitalist	Hospitalists may coordinate inpatient imaging and care when aneurysm is discovered during admission.
`207L00000X`	Diagnostic Radiology - Interventional Radiology	Interventional radiologists perform endovascular aneurysm repair planning and often review imaging.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I71.4`	Abdominal aortic aneurysm, without rupture	Primary diagnosis for an AAA measuring `5.0`–`5.4` cm on CT; guides surveillance versus repair decisions.
`I71.3`	Thoracoabdominal aortic aneurysm, without rupture	Relevant if aneurysm spans thoracic and abdominal segments; impacts imaging extent and surgical planning.
`I71.9`	Aortic aneurysm, unspecified, without rupture	Used when documentation does not localize the aneurysm precisely; less preferred if location is known.
`I71.2`	Thoracic aortic aneurysm, without rupture	Pertinent for aneurysms located in the thoracic aorta; CT chest protocols apply.
`I72.3`	Aneurysm of iliac artery	Important when aneurysm extends into iliac arteries; CT abdomen/pelvis used to evaluate distal extension.
`Z13.6`	Encounter for screening for cardiovascular disorders	May be used for surveillance imaging encounters when screening/surveillance is the primary purpose.
`R07.9`	Chest pain, unspecified	Symptom code used when imaging is performed for chest pain evaluation and an aneurysm is identified.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`71260`	CT chest, without contrast material, followed by contrast material(s) and further sections; single portal venous phase	Used for thoracic aortic imaging when evaluating thoracic aortic aneurysm extent and size.
`72192`	Computed tomography, pelvis; with contrast material(s)	May be performed with abdominal CT to evaluate iliac artery extension of an abdominal aortic aneurysm.
`74175`	Computed tomography, abdomen and pelvis; with contrast material(s)	Combined abdominal and pelvic CTA often used to assess aneurysm distal extent and branch vessels in preoperative planning.
`795.2`	Data not available in the input.	Data not available in the input.
`93010`	Data not available in the input.	Data not available in the input.
`77012`	Data not available in the input.	Data not available in the input.

Related Codes

CPT-9001F-AORTIC-ANEURYSM-CT-UNDER-5CM

CPT 9001F: Aortic Aneurysm on CT, Max Diameter <5.0 cm

CPT-9003F-AORTIC-ANEURYSM-CT-55-59-CM

CPT 9003F: CT-Documented Aortic Aneurysm, 5.5–5.9 cm

CPT-9004F-AORTIC-ANEURYSM-CT-6CM-OR-GREATER

CPT 9004F: Aortic Aneurysm ≥6.0 cm on CT

CPT-9005F-ASYMPTOMATIC-CAROTID-ARTERY-STENOSIS

CPT 9005F: Asymptomatic Carotid Artery Stenosis

CPT-9006F-CAROTID-ARTERY-STENOSIS-SYMPTOMATIC-WITHIN-120-DAYS

CPT 9006F: Symptomatic Carotid Artery Stenosis within 120 Days

CPT-9007F-CAROTID-ARTERY-STENOSIS-WITH-PRIOR-TIA-OR-STROKE

CPT 9007F: Carotid Artery Stenosis with Prior TIA or Stroke

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

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CPT 9002F: Aortic Aneurysm Documented 5.0–5.4 cm on CT

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Billing Code Overview

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CPT 9002F: Aortic Aneurysm Documented 5.0–5.4 cm on CT

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Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References