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ICD-10-CM Current in FY 2027

S90.423S

Blister (nonthermal), unspecified great toe, sequela

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where S90.423S sits in the official hierarchy. Each level is the code it is classified under.

  1. S90 Superficial injury of ankle, foot and toes
  2. S90.4 Other superficial injuries of toe
  3. S90.42 Blister (nonthermal) of toe
  4. S90.423 Parent Blister (nonthermal), unspecified great toe
  5. S90.423S This code Blister (nonthermal), unspecified great toe, sequela

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

7th Character

The appropriate 7th character is to be added to each code from category S90

Inherited from S90 — Superficial injury of ankle, foot and toes

7th Character

A - initial encounter

Inherited from S90 — Superficial injury of ankle, foot and toes

7th Character

D - subsequent encounter

Inherited from S90 — Superficial injury of ankle, foot and toes

7th Character

S - sequela

Inherited from S90 — Superficial injury of ankle, foot and toes

Version History

How S90.423S appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Blister (nonthermal), unspecified great toe, sequela

  2. FY 2026 Effective

    Unchanged

    Blister (nonthermal), unspecified great toe, sequela

Related Codes

Other codes under S90.423

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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