S20
Non-billableSuperficial injury of thorax
Superficial injury of thorax
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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 corrosionsT20-T32
- •effects of foreign body in bronchusT17.5
- •effects of foreign body in esophagusT18.1
- •effects of foreign body in lungT17.8
- •effects of foreign body in tracheaT17.4
- •frostbiteT33-T34
- injuries of axilla
- injuries of clavicle
- injuries of scapular region
- injuries of shoulder
- •insect bite or sting, venomousT63.4
Use Additional Code
Additional codes that should follow this code
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for superficial injury of thorax?
The ICD-10-CM code for superficial injury of thorax is S20. The full clinical description is "Superficial injury of thorax". S20 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code S20 mean?
ICD-10-CM code S20 represents “Superficial injury of thorax”. 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 S20 a billable code?
No, S20 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 S20.
What chapter is S20 in?
S20 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with S20?
S20 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?
S20 has 6 child codes, including: S20.0 (Contusion of breast), S20.1 (Other and unspecified superficial injuries of breast), S20.2 (Contusion of thorax), S20.3 (Other and unsp superficial injuries of front wall of thorax), and 2 more.
Are additional codes required with S20?
Yes, when using S20, also report: any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for S20?
S20 is linked to 1 UMLS Concept Unique Identifier: C1439255. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does S20 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like superficial injury of thorax affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of S20?
S20 maps to the ICD-11 code: NA80.Z (Superficial injury of thorax, unspecified).
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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.