Code library
70450CPTImaging
Head CT without contrast
High-level educational summary for a head CT service that may appear in stroke workups.
What this code is used for
This page explains the code as a billing-reference signal. It does not diagnose a person, decide medical necessity, or guarantee insurance coverage.
Codes and service categories that may appear nearby
- starter
acute stroke imaging
often billed with I63.9
A head CT may appear in an ischemic-stroke workup, especially when clinicians are ruling out hemorrhage. Coverage depends on documentation, setting, timing, and payer policy.
Category: Imaging
Documents to request after a denial
Diagnosis/service mismatch
The diagnosis and service may not line up under the payer policy or billed setting.
itemized billEOBdenial letterclinical note
Missing documentation
The payer or provider may need an order, report, evaluation, or medical record to support the billed service.
orderclinical notetest reportitemized bill