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S01.25XA

S01.25XA: Open bite of nose, initial encounter

Billable / specific codeICD-10-CM

S01.25XA is a billable, specific ICD-10-CM code for open bite of nose, initial encounter. It is valid for submission on a claim.

Check S01.25XA with the rest of the claim: free scrubber

7th character "A": initial encounter

The appropriate 7th character is to be added to each code from category S01

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Bite of nose NOS

Excludes1 inherited from the categories above S01.25XA

A category’s note binds every code beneath it.

Written on S01.25: Open bite of nose

Written on S01: Open wound of head

  • open skull fracture (S02.- with 7th character B)

Excludes2 inherited from the categories above S01.25XA

Not part of this code, but both may be coded when both are present.

Written on S01: Open wound of head

  • injury of eye and orbit (S05.-)
  • traumatic amputation of part of head (S08.-)

Other codes that can never be billed with S01.25XA

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • S00Superficial injury of head

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

S01.25XA is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52438Billing and Coding: Tetanus Immunization
  • A53058Billing and Coding: Home Health Physical Therapy
  • A54767Billing and Coding: Medicare Preventive Coverage for Certain Vaccines
  • A55909Billing and Coding: Wound Care

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under S01.25

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.