S90.424A
✓ Billable
Blister (nonthermal), right lesser toe(s), initial encounter
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
S90.424A
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
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 S90.424A?
ICD-10-CM code S90.424A represents Blister (nonthermal), right lesser toe(s), initial encounter. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is S90.424A billable?
Yes. S90.424A is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is S90.424A in?
S90.424A belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the S90 category
S90
Superficial injury of ankle, foot and toes
Non-billable
S90.0
Contusion of ankle
Non-billable
S90.1
Contusion of toe without damage to nail
Non-billable
S90.2
Contusion of toe with damage to nail
Non-billable
S90.3
Contusion of foot
Non-billable
S90.4
Other superficial injuries of toe
Non-billable
S90.5
Other superficial injuries of ankle
Non-billable
S90.8
Other superficial injuries of foot
Non-billable
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