CPT 74160Radiology

Ct abdomen w/contrast

CPT code 74160 covers a CT (computed tomography) scan of the abdomen performed with contrast material injected into a vein to help organs and blood vessels show up more clearly on the images.

Showing rates for

National Average

Base Medicare rate

$227.07

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

1.27

PE RVU (NF)

5.67

MP RVU

0.08

Total RVU

7.02

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Always verify and document the type and amount of contrast administered (e.g., 100ml Omnipaque 350) in the medical record
Impact: Prevents denials for lack of contrast documentation; missing contrast documentation can result in downcoding to 74150 (without contrast), reducing payment by approximately $50-80
Ensure medical necessity is clearly documented with specific clinical indication; avoid vague reasons like 'abdominal pain' without additional context
Impact: Reduces denial rates by 30-40%; specific diagnoses prevent LCD/NCD medical necessity denials that can result in $0 payment
When billing globally (no modifier), confirm your facility owns both the equipment and employs the interpreting physician; otherwise split billing with 26/TC modifiers
Impact: Incorrect component billing can result in overpayment recovery demands or underpayment; proper modifier use ensures correct $227.07 total payment split
Check for National Coverage Determinations and Local Coverage Determinations that may require prior authorization or specific diagnosis codes for coverage
Impact: Prevents automatic denials; approximately 15-20% of claims denied for authorization issues, requiring time-consuming appeals
Document contraindication screening for contrast (renal function, allergies, metformin use) to support medical decision-making and liability protection
Impact: Protects against liability claims and supports appeal of medical necessity denials; proper screening documentation can be determinative in $227.07 payment disputes
Bundle HCPCS codes for contrast materials separately when payer allows; Medicare includes contrast in the CT payment but some commercial payers may pay separately

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 74160 in 2025?

The 2025 Medicare national average reimbursement for CPT 74160 is $227.07 for both facility and non-facility settings. This rate is based on 7.02 total RVUs (1.27 work RVU, 5.67 practice expense RVU, and 0.08 malpractice RVU) multiplied by the 2025 conversion factor of 32.3465.

What is the difference between CPT 74160 and 74150?

CPT 74160 is a CT scan of the abdomen performed with intravenous contrast material, while CPT 74150 is a CT abdomen without contrast. Code 74160 requires documentation of contrast administration and is used when contrast enhancement is necessary to evaluate vascular structures, enhance tissue differentiation, or characterize lesions. The presence or absence of contrast must be clearly documented to support proper code selection.

Can CPT 74160 be billed with CPT 74170 on the same day?

No, CPT 74160 (CT abdomen with contrast) should not be billed separately with CPT 74170 (CT abdomen without contrast followed by with contrast) on the same encounter. Code 74170 is the comprehensive code that includes both without and with contrast imaging sequences. Billing both would constitute unbundling and result in denial of one code.

What diagnosis codes support medical necessity for CPT 74160?

Common diagnosis codes supporting CPT 74160 include abdominal pain with specific localization (R10.x), suspected appendicitis (K37), evaluation of abdominal mass (R19.0x), staging of malignancies (C18-C26, C64-C68), liver lesion characterization (R93.2), and assessment of inflammatory bowel disease. Vague or non-specific diagnoses may result in medical necessity denials. Always check current Local Coverage Determinations for your MAC.

How do I bill CPT 74160 when only the radiologist interpretation is provided?

When billing only for the radiologist's professional interpretation without the technical component (equipment and technologist), append modifier 26 (professional component) to CPT 74160. This typically occurs when the imaging is performed at a hospital or imaging center that bills separately for the technical component with modifier TC. The professional component represents approximately 30-40% of the total $227.07 allowed amount.

What are the Work RVUs for CPT code 74160?

CPT code 74160 has 1.27 work RVUs in the 2025 Medicare Physician Fee Schedule. The total RVU value is 7.02, which includes 1.27 work RVU, 5.67 practice expense RVU (both facility and non-facility), and 0.08 malpractice RVU. These values are from the CMS RVU25A file released December 23, 2024.

Does CPT 74160 require prior authorization?

Prior authorization requirements for CPT 74160 vary by payer and are not universally required by Medicare, though some Medicare Advantage plans may require it. Many commercial payers require prior authorization for advanced imaging including CT scans. Facilities should verify authorization requirements with each specific payer before scheduling. Lack of required authorization is a common denial reason that cannot typically be appealed successfully.