Diagnosis Code Structure

ICD-9:XXX . XX

category Etiology, anatomic site, manifestation

ICD-10:XXX . XXX X

category Etiology, anatomic site, severity

Extension

Procedure Code Structure

X X X X X X XSection Body

systemRoot

operationBody Part

Approach Device Extension

ICD-10-PCS

ICD-9 Volume 3:XX .XX

Procedure Anatomic site

Code comparison—Diagnosis

ICD-9-CM

434.91 Unspecified cerebral artery occlusion with cerebral infarction

Code comparison—DiagnosisICD-10-CM

The 16 translation options contain more specific information about anatomic site.

I6350 Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebral artery

I63511 Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery

I63512 Cerebral infarction due to unspecified occlusion or stenosis of left middle cerebral artery

I63519 Cerebral infarction due to unspecified occlusion or stenosis of unspecified middle cerebral artery

I63521 Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery….

Code Comparison-Procedure

ICD-9 Volume 3

00.61 Percutaneous angioplasty or atherectomy of precerebral (extracranial) vessel(s)

00.40 Procedure on single vessel

Code Comparison-Procedure

ICD-10-PCS The 62 translation options include 2 specific body systems, 11 specific

body parts, 2 specific approaches and 3 specific devices.

037H34Z Dilation of Right Common Carotid Artery with Drug-eluting Intraluminal Device, Percutaneous Approach

037H3DZ Dilation of Right Common Carotid Artery with Intraluminal Device, Percutaneous Approach

037H3ZZ Dilation of Right Common Carotid Artery, Percutaneous Approach

037H44Z Dilation of Right Common Carotid Artery with Drug-eluting Intraluminal Device, Percutaneous Endoscopic Approach

037H4DZ Dilation of Right Common Carotid Artery with Intraluminal Device, Percutaneous Endoscopic Approach…….