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S20.4

Non-billable

Other and unsp superficial injuries of back wall of thorax

Other and unspecified superficial injuries of back wall of thorax

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

S20

Child Codes

7

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)

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.-)

Child Codes (7)

S20.40

Unspecified superficial injuries of back wall of thorax

S20.41

Abrasion of back wall of thorax

S20.42

Blister (nonthermal) of back wall of thorax

S20.44

External constriction of back wall of thorax

S20.45

Superficial foreign body of back wall of thorax

S20.46

Insect bite (nonvenomous) of back wall of thorax

S20.47

Other superficial bite of back wall of thorax

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code S20.4?

ICD-10-CM code S20.4 represents "Other and unspecified superficial injuries of back wall of thorax". It is a non-billable header code — use a more specific child code for billing purposes.

Is S20.4 a billable code?

No, S20.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under S20.4.

What chapter is S20.4 in?

S20.4 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with S20.4?

S20.4 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).

What are the subcategories under S20.4?

S20.4 has 7 child codes, including: S20.40 (Unspecified superficial injuries of back wall of thorax), S20.41 (Abrasion of back wall of thorax), S20.42 (Blister (nonthermal) of back wall of thorax), S20.44 (External constriction of back wall of thorax), and 3 more.

Are additional codes required with S20.4?

Yes, when using S20.4 you should also code: code to identify any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for S20.4?

S20.4 is linked to 1 UMLS Concept Unique Identifier: C0478232. 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.