70450
CT Head Without Contrast
Code Description
CPT code 70450 is used to report a CT scan of the head or brain performed without contrast material. This imaging study creates cross-sectional images of the brain, skull, ventricles, and surrounding structures.
A CT head without contrast is commonly ordered for urgent evaluation of head trauma, stroke symptoms, headaches, altered mental status, bleeding, or other neurological concerns.
When to Use 70450
Common examples include:
head injury
suspected stroke
severe headache
altered mental status
dizziness or confusion
suspected intracranial bleeding
neurological symptoms
Documentation Requirements
Documentation should include:
reason for the examination
head or brain imaging performed
confirmation that no contrast was administered
relevant symptoms or diagnosis
physician or radiologist interpretation
diagnostic findings
Common Billing Mistakes
Common billing mistakes include:
reporting 70450 when contrast was administered
selecting the wrong CT head code
failing to document medical necessity
incorrect use of Modifier 26 or TC
duplicate billing for the same imaging service
Related CPT Codes
70486
CT Maxillofacial Area Without Contrast
71260
CT Chest With Contrast
74177
CT Abdomen and Pelvis With Contrast
FAQ
What does CPT code 70450 cover?
CPT code 70450 reports a CT scan of the head or brain performed without contrast material.
When is a CT head without contrast commonly ordered?
It is commonly ordered for head trauma, suspected bleeding, stroke symptoms, severe headache, confusion, or other neurological concerns.
What is the difference between CPT 70450 and 70460?
CPT 70450 is used when the CT head is performed without contrast. CPT 70460 is used when the CT head is performed with contrast.
Can Modifier 26 be used with CPT 70450?
Yes. Modifier 26 may be used when the provider bills only for the professional component, such as interpreting the CT images and preparing the written report.






Procedure Type
Computed Tomography (CT)
Body Area
Contrast
Head/Brain
Without Contrast


