S20 Superficial injury of thorax

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Superficial injury of thorax is S20 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
S20-S29: Injuries to the thorax (S20-S29)
Category S20
128 codes (98 billable)
FY2026 Status
Stable since FY2024

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

More Specific Codes

S20.0 Contusion of breast S20.00 Contusion of breast, unspecified breast S20.01 Contusion of right breast S20.02 Contusion of left breast S20.1 Other and unspecified superficial injuries of breast S20.10 Unspecified superficial injuries of breast S20.101 Unspecified superficial injuries of breast, right breast S20.102 Unspecified superficial injuries of breast, left breast S20.109 Unspecified superficial injuries of breast, unspecified breast S20.11 Abrasion of breast S20.111 Abrasion of breast, right breast S20.112 Abrasion of breast, left breast S20.119 Abrasion of breast, unspecified breast S20.12 Blister (nonthermal) of breast S20.121 Blister (nonthermal) of breast, right breast S20.122 Blister (nonthermal) of breast, left breast S20.129 Blister (nonthermal) of breast, unspecified breast S20.14 External constriction of part of breast S20.141 External constriction of part of breast, right breast S20.142 External constriction of part of breast, left breast S20.149 External constriction of part of breast, unspecified breast S20.15 Superficial foreign body of breast S20.151 Superficial foreign body of breast, right breast S20.152 Superficial foreign body of breast, left breast S20.159 Superficial foreign body of breast, unspecified breast S20.16 Insect bite (nonvenomous) of breast S20.161 Insect bite (nonvenomous) of breast, right breast S20.162 Insect bite (nonvenomous) of breast, left breast S20.169 Insect bite (nonvenomous) of breast, unspecified breast S20.17 Other superficial bite of breast

Related Codes in S20

S20.0 Contusion of breast S20.00 Contusion of breast, unspecified breast S20.01 Contusion of right breast S20.02 Contusion of left breast S20.1 Other and unspecified superficial injuries of breast S20.10 Unspecified superficial injuries of breast S20.101 Unspecified superficial injuries of breast, right breast S20.102 Unspecified superficial injuries of breast, left breast S20.109 Unspecified superficial injuries of breast, unspecified breast S20.11 Abrasion of breast S20.111 Abrasion of breast, right breast S20.112 Abrasion of breast, left breast S20.119 Abrasion of breast, unspecified breast S20.12 Blister (nonthermal) of breast S20.121 Blister (nonthermal) of breast, right breast S20.122 Blister (nonthermal) of breast, left breast S20.129 Blister (nonthermal) of breast, unspecified breast S20.14 External constriction of part of breast S20.141 External constriction of part of breast, right breast S20.142 External constriction of part of breast, left breast
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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