AutoICD API

S91.05

Non-billable

Open bite of ankle

Open bite of ankle

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

S90-S99

Parent Code

S91.0

Child Codes

3

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
  • open fracture of ankle, foot and toes (S92.-with 7th character B)
  • traumatic amputation of ankle and foot (S98.-)
  • superficial bite of ankle (S90.56-, S90.57-)

Excludes 2

Conditions not included here, but the patient may have both

  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Use Additional Code

Additional codes that should follow this code

  • code to identify any retained foreign body, if applicable (Z18.-)

Code Also

A second code may be required; sequencing depends on circumstances

  • any associated wound infection

Child Codes (3)

S91.051

Open bite, right ankle

S91.052

Open bite, left ankle

S91.059

Open bite, unspecified ankle

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for open bite of ankle?

The ICD-10-CM code for open bite of ankle is S91.05. The full clinical description is "Open bite of ankle". S91.05 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code S91.05 mean?

ICD-10-CM code S91.05 represents "Open bite of ankle". 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 S91.05 a billable code?

No, S91.05 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 S91.05.

What chapter is S91.05 in?

S91.05 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with S91.05?

S91.05 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 S91.05?

S91.05 has 3 child codes, including: S91.051 (Open bite, right ankle), S91.052 (Open bite, left ankle), S91.059 (Open bite, unspecified ankle).

Are additional codes required with S91.05?

Yes, when using S91.05 you should also code: code to identify any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for S91.05?

S91.05 is linked to 1 UMLS Concept Unique Identifier: C2866547. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.