2020 ICD-10-CM Diagnosis Code S20.20

Contusion of thorax, unspecified

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • S20.20 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM S20.20 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of S20.20 - other international versions of ICD-10 S20.20 may differ.
The following code(s) above S20.20 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to S20.20:
  • S00-T88
    2020 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • S20-S29
    2020 ICD-10-CM Range S20-S29

    Injuries to the thorax

    • injuries of breast
    • injuries of chest (wall)
    • injuries of interscapular area
    Type 2 Excludes
    • 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)
    Injuries to the thorax
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to S20.20:
  • Type 1 Excludes: S20.9
    ICD-10-CM Diagnosis Code S20.9

    Superficial injury of unspecified parts of thorax

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • contusion of thorax NOS (S20.20)

Diagnosis Index entries containing back-references to S20.20:
  • Contusion (skin surface intact) T14.8
    ICD-10-CM Diagnosis Code T14.8

    Other injury of unspecified body region

      2016 2017 2018 - Converted to Parent Code 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Abrasion NOS
    • Contusion NOS
    • Crush injury NOS
    • Fracture NOS
    • Skin injury NOS
    • Vascular injury NOS
    • Wound NOS

ICD-10-CM Codes Adjacent To S20.20
S20.171S …… sequela
S20.172 Other superficial bite of breast, left breast
S20.172A …… initial encounter
S20.172D …… subsequent encounter
S20.172S …… sequela
S20.179 Other superficial bite of breast, unspecified breast
S20.179A …… initial encounter
S20.179D …… subsequent encounter
S20.179S …… sequela
S20.2 Contusion of thorax
S20.20 Contusion of thorax, unspecified
S20.20XA …… initial encounter
S20.20XD …… subsequent encounter
S20.20XS …… sequela
S20.21 Contusion of front wall of thorax
S20.211 Contusion of right front wall of thorax
S20.211A …… initial encounter
S20.211D …… subsequent encounter
S20.211S …… sequela
S20.212 Contusion of left front wall of thorax
S20.212A …… initial encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.