AutoICD API

S21.00

Non-billable

Unspecified open wound of breast

Unspecified open wound of breast

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

Status

Non-billable / Header

Block

S20-S29

Parent Code

S21.0

Child Codes

3

Coding Notes

Includes

Conditions included under this code

  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area

Excludes 1

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

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
  • traumatic amputation (partial) of thorax (S28.1)

Excludes 2

Conditions not included here, but the patient may have both

  • burns and corrosions (T20-T32)
  • effects of foreign body in bronchus (T17.5)
  • effects of foreign body in esophagus (T18.1)
  • effects of foreign body in lung (T17.8)
  • effects of foreign body in trachea (T17.4)
  • frostbite (T33-T34)
  • injuries of axilla
  • injuries of clavicle
  • injuries of scapular region
  • injuries of shoulder
  • 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 injury, such as:
  • injury of heart (S26.-)
  • injury of intrathoracic organs (S27.-)
  • rib fracture (S22.3-, S22.4-)
  • spinal cord injury (S24.0-, S24.1-)
  • traumatic hemopneumothorax (S27.3)
  • traumatic hemothorax (S27.1)
  • traumatic pneumothorax (S27.0)
  • wound infection

Child Codes (3)

S21.001

Unspecified open wound of right breast

S21.002

Unspecified open wound of left breast

S21.009

Unspecified open wound of unspecified breast

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for unspecified open wound of breast?

The ICD-10-CM code for unspecified open wound of breast is S21.00. The full clinical description is "Unspecified open wound of breast". S21.00 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code S21.00 mean?

ICD-10-CM code S21.00 represents "Unspecified open wound of breast". 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 S21.00 a billable code?

No, S21.00 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 S21.00.

What chapter is S21.00 in?

S21.00 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with S21.00?

S21.00 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); traumatic amputation (partial) of thorax (S28.1).

What are the subcategories under S21.00?

S21.00 has 3 child codes, including: S21.001 (Unspecified open wound of right breast), S21.002 (Unspecified open wound of left breast), S21.009 (Unspecified open wound of unspecified breast).

Are additional codes required with S21.00?

Yes, when using S21.00 you should also code: code to identify any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for S21.00?

S21.00 is linked to 1 UMLS Concept Unique Identifier: C2834724. 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.