MCMedicalCodingSoftware
S01.551S

S01.551S: Open bite of lip, sequela

Billable / specific codeICD-10-CMPOA exempt

S01.551S is a billable, specific ICD-10-CM code for open bite of lip, sequela. It is valid for submission on a claim.

Check S01.551S with the rest of the claim: free scrubber

7th character "S": sequela

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 lip NOS

Excludes1 inherited from the categories above S01.551S

A category’s note binds every code beneath it.

Written on S01.551: Open bite of lip

Written on S01: Open wound of head

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

Excludes2 inherited from the categories above S01.551S

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

Written on S01.5: Open wound of lip and oral cavity

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 S01.551S

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

S01.551S is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53058Billing and Coding: Home Health Physical Therapy
  • A53064Billing and Coding: Outpatient Occupational Therapy
  • A53065Billing and Coding: Outpatient Physical Therapy

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under S01.551

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.