S91.256
Non-billableOpen bite of unspecified lesser toe(s) with damage to nail
Open bite of unspecified lesser toe(s) with damage to nail
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
Code Also
A second code may be required; sequencing depends on circumstances
- any associated wound infection
Child Codes (3)
Related Codes(6)
S91.251Open bite of right great toe with damage to nail
S91.252Open bite of left great toe with damage to nail
S91.253Open bite of unspecified great toe with damage to nail
S91.254Open bite of right lesser toe(s) with damage to nail
S91.255Open bite of left lesser toe(s) with damage to nail
S91.259Open bite of unspecified toe(s) with damage to nail
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for open bite of unspecified lesser toe(s) with damage to nail?
The ICD-10-CM code for open bite of unspecified lesser toe(s) with damage to nail is S91.256. The full clinical description is "Open bite of unspecified lesser toe(s) with damage to nail". S91.256 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code S91.256 mean?
ICD-10-CM code S91.256 represents “Open bite of unspecified lesser toe(s) with damage to nail”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is S91.256 a billable code?
No, S91.256 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under S91.256.
What chapter is S91.256 in?
S91.256 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with S91.256?
S91.256 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); open fracture of ankle, foot and toes (S92.-with 7th character B); and 2 more.
What are the subcategories under S91.256?
S91.256 has 3 child codes, including: S91.256A (Open bite of unsp lesser toe(s) w damage to nail, init), S91.256D (Open bite of unsp lesser toe(s) w damage to nail, subs), S91.256S (Open bite of unsp lesser toe(s) with damage to nail, sequela).
Are additional codes required with S91.256?
Yes, when using S91.256, also report: any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for S91.256?
S91.256 is linked to 1 UMLS Concept Unique Identifier: C2866901. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does S91.256 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like open bite of unspecified lesser toe(s) with damage to nail affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of S91.256?
There is no direct ICD-11 mapping available for S91.256 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.