A36.3
✓ Billable
Cutaneous diphtheria
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
A36.3
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code A36.3?
ICD-10-CM code A36.3 represents Cutaneous diphtheria. It is a billable diagnosis code in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is A36.3 billable?
Yes. A36.3 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is A36.3 in?
A36.3 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the A36 category
A36
Diphtheria
Non-billable
A36.0
Pharyngeal diphtheria
Billable
A36.1
Nasopharyngeal diphtheria
Billable
A36.2
Laryngeal diphtheria
Billable
A36.8
Other diphtheria
Non-billable
A36.9
Diphtheria, unspecified
Billable
A36.81
Diphtheritic cardiomyopathy
Billable
A36.82
Diphtheritic radiculomyelitis
Billable
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