ICD-10-CM S01.551 is the diagnosis code for Open bite of lip. This code falls under the section "Injuries to the head" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as S01.551. They are mutually exclusive:
Understanding where S01.551 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, S01.551 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S01.551 is the ICD-10-CM diagnosis code for "Open bite of lip". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of S01.551 is S01.55 ("Open bite of lip and oral cavity"). S01.551 provides a more specific classification within this category.
S01.551 is located in Section S00-S09 — "Injuries to the head" within Chapter 19 of the ICD-10-CM Tabular List.
Use S01.551 when the patients documented diagnosis matches "Open bite of lip" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Open bite of lip is S01.551.
Yes, S01.551 can be used as a primary diagnosis code since it is billable and specific.
S01.551 is in Chapter 19 of the ICD-10-CM Tabular List.
Type 1 Excludes for S01.551 include: superficial bite of lip (S00.571).
Yes, S01.551 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.