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S81.009

Non-billable

Unspecified open wound, unspecified knee

Unspecified open wound, unspecified knee

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

Status

Non-billable / Header

Block

S80-S89

Parent Code

S81.00

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 knee and lower leg (S82.-)
  • traumatic amputation of lower leg (S88.-)

Excludes 2

Conditions not included here, but the patient may have both

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
  • insect bite or sting, venomous (T63.4)
  • open wound of ankle and foot (S91.-)

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)

S81.009A

Unspecified open wound, unspecified knee, initial encounter

BillableS81.009D

Unspecified open wound, unspecified knee, subs encntr

BillableS81.009S

Unspecified open wound, unspecified knee, sequela

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for unspecified open wound, unspecified knee?

The ICD-10-CM code for unspecified open wound, unspecified knee is S81.009. The full clinical description is "Unspecified open wound, unspecified knee". S81.009 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code S81.009 mean?

ICD-10-CM code S81.009 represents "Unspecified open wound, unspecified knee". 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 S81.009 a billable code?

No, S81.009 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 S81.009.

What chapter is S81.009 in?

S81.009 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with S81.009?

S81.009 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); open fracture of knee and lower leg (S82.-); and 1 more.

What are the subcategories under S81.009?

S81.009 has 3 child codes, including: S81.009A (Unspecified open wound, unspecified knee, initial encounter), S81.009D (Unspecified open wound, unspecified knee, subs encntr), S81.009S (Unspecified open wound, unspecified knee, sequela).

Are additional codes required with S81.009?

Yes, when using S81.009 you should also code: code to identify any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for S81.009?

S81.009 is linked to 1 UMLS Concept Unique Identifier: C2860510. 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.