Summary & Overview

HCPCS M1462: Head Imaging for Clinical Indications

HCPCS Level II code M1462 denotes a diagnostic imaging service for patients with clinical indications for imaging of the head. Nationally, head imaging represents a high-volume, clinically important category of services used in emergency, outpatient, and specialty settings to evaluate trauma, neurologic symptoms, and other head-related conditions. Clear coding supports proper clinical documentation, utilization monitoring, and payer coverage decisions.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The report outlines payer billing considerations, typical sites of service, and the clinical context in which M1462 is used.

Readers will learn the clinical scope of M1462, how the service fits into common care pathways, and what benchmarks and policy updates are relevant to head imaging reimbursement and utilization. Where available, the analysis summarizes coverage patterns, common clinical indications, and implications for facility billing workflows. Data not provided in the input is noted as unavailable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareM1462HCPCS Level IIhead imagingdiagnostic imagingradiologyoutpatient imagingbillingmedical coding

Billing Code Overview

HCPCS Level II code M1462 identifies services for patients with clinical indications for imaging of the head. This code represents an imaging-related service delivered when there is a clinical need to evaluate the head for diagnostic purposes.

Service type: Diagnostic imaging service for the head
Typical site of service: Imaging center, hospital outpatient department, or other outpatient diagnostic facility

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 64-year-old patient presents to the emergency department with new-onset severe headache, transient left arm weakness, and a brief episode of confusion. The emergency physician orders urgent neuroimaging to evaluate for acute intracranial hemorrhage, ischemic stroke, mass lesion, or other intracranial pathology. The clinical workflow includes triage and rapid neurologic assessment, indication documentation (onset time, focal deficits, anticoagulant use), order entry for head imaging, transport to the radiology department, performance of the imaging study by radiology technologists, image acquisition (CT or MRI of the head depending on urgency and contraindications), and interpretation by a board-certified radiologist. Results are communicated to the ED team for immediate management decisions such as thrombolysis, neurosurgical consultation, or admission for observation.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	Use when billing only the radiologist interpretation/report separate from the technical component.
`TC`	Technical component	Use when billing only the equipment, technologist, and facility portion of the imaging service.
`59`	Distinct procedural service	Use when a separate, distinct imaging procedure is performed on the same day and requires separate reporting.
`RT`	Right side	Use when laterality applies and the imaging is specific to the right side (rare for head imaging but applicable for paired studies like temporal bones).
`LT`	Left side	Use when laterality applies and the imaging is specific to the left side.
`QS`	Monitored anesthesia care service (discontinued in some payors)	Use when MAC is provided and payor requires modifier for billing (verify payor rules).
`GZ`	Waiver of liability statement not obtained (medicare)	Use when an Advance Beneficiary Notice was not obtained and no expectation of payment.
`GA`	Waiver of liability statement on file (medicare)	Use when an Advance Beneficiary Notice is on file for a service that may be denied.
`90`	Reference (outside) laboratory	Use when an imaging-related specimen or test is performed by an outside lab (rare for imaging but applicable when associated lab services billed).
`JW`	Drug discarded/not administered	Use when contrast agent waste must be reported (when applicable per payor policies).

Taxonomy Code	Specialty	Notes
`2080P0202X`	Diagnostic Radiology	Radiologists who interpret head imaging studies.
`207T00000X`	Emergency Medicine	Emergency physicians who order and manage acute head imaging.
`2084P0800X`	Neurology	Neurologists who evaluate indications and act on imaging results.
`2086S0125X`	Radiology Assistant	Providers who may perform imaging-related procedures under supervision.
`363L00000X`	Neurocritical Care	Specialists who manage critically ill neurologic patients based on imaging findings.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I63.9`	Cerebral infarction, unspecified	Common indication when evaluating suspected ischemic stroke with head imaging.
`I61.9`	Intracerebral hemorrhage, unspecified	Indication for urgent non-contrast CT to identify hemorrhage.
`R51`	Headache	Frequent presenting symptom prompting head imaging to exclude secondary causes.
`G45.9`	Transient cerebral ischemic attack, unspecified	Head imaging is used to evaluate for early ischemic changes or alternative pathology.
`R41.0`	Disorientation, unspecified	Altered mental status often prompts neuroimaging to identify structural causes.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`70450`	Computed tomography, head or brain; without contrast material	Common initial acute imaging to evaluate for hemorrhage, mass effect, or major structural abnormalities.
`70460`	Computed tomography, head or brain; with contrast material(s)	Performed when additional vascular or lesion characterization is needed after non-contrast study.
`70551`	Magnetic resonance imaging, brain (including brain stem); without contrast material	Used when non-urgent, high-detail soft tissue evaluation is required (e.g., stroke protocol, demyelinating disease).
`70553`	Magnetic resonance imaging, brain (including brain stem); with contrast and without contrast	Performed when contrast enhancement is needed to assess tumors, infection, or breakdown of the blood–brain barrier.
`74176`	Computed tomography, pelvis; limited (used as example for associated studies)	Data not available in the input.