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S91.1

Non-billable

Open wound of toe without damage to nail

Open wound of toe without damage to nail

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

Child Codes

6

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.-)

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 (6)

S91.10

Unspecified open wound of toe without damage to nail

S91.11

Laceration w/o foreign body of toe without damage to nail

S91.12

Laceration with foreign body of toe without damage to nail

S91.13

Puncture wound w/o foreign body of toe w/o damage to nail

S91.14

Puncture wound with foreign body of toe w/o damage to nail

S91.15

Open bite of toe without damage to nail

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code S91.1?

ICD-10-CM code S91.1 represents "Open wound of toe without damage to nail". It is a non-billable header code — use a more specific child code for billing purposes.

Is S91.1 a billable code?

No, S91.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under S91.1.

What chapter is S91.1 in?

S91.1 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with S91.1?

S91.1 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 1 more.

What are the subcategories under S91.1?

S91.1 has 6 child codes, including: S91.10 (Unspecified open wound of toe without damage to nail), S91.11 (Laceration w/o foreign body of toe without damage to nail), S91.12 (Laceration with foreign body of toe without damage to nail), S91.13 (Puncture wound w/o foreign body of toe w/o damage to nail), and 2 more.

Are additional codes required with S91.1?

Yes, when using S91.1 you should also code: code to identify any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for S91.1?

S91.1 is linked to 1 UMLS Concept Unique Identifier: C0495963. 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.