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

Cite This Page

Reference S20 with the canonical source and edition:

S20 — Superficial injury of thorax. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/S20

Canonical URL: https://icd10codingpro.com/codes/S20

Related Codes

All Codes in S20

Every most-specific code under S20 Superficial injury of thorax (98 codes):

Show the complete S20 code list
S20.00 Contusion of breast, unspecified breast S20.01 Contusion of right breast S20.02 Contusion of left 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 S20.111 Abrasion of breast, right breast S20.112 Abrasion of breast, left breast S20.119 Abrasion of breast, unspecified 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 S20.141 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 S20.151 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 S20.161 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 S20.171 Other superficial bite of breast, right breast S20.172 Other superficial bite of breast, left breast S20.179 Other superficial bite of breast, unspecified breast S20.20 Contusion of thorax, unspecified S20.211 Contusion of right front wall of thorax S20.212 Contusion of left front wall of thorax S20.213 Contusion of bilateral front wall of thorax S20.214 Contusion of middle front wall of thorax S20.219 Contusion of unspecified front wall of thorax S20.221 Contusion of right back wall of thorax S20.222 Contusion of left back wall of thorax S20.223 Contusion of bilateral back wall of thorax S20.224 Contusion of middle back wall of thorax S20.229 Contusion of unspecified back wall of thorax S20.301 Unspecified superficial injuries of right front wall of thorax S20.302 Unspecified superficial injuries of left front wall of thorax S20.303 Unspecified superficial injuries of bilateral front wall of thorax S20.304 Unspecified superficial injuries of middle front wall of thorax S20.309 Unspecified superficial injuries of unspecified front wall of thorax S20.311 Abrasion of right front wall of thorax S20.312 Abrasion of left front wall of thorax S20.313 Abrasion of bilateral front wall of thorax S20.314 Abrasion of middle front wall of thorax S20.319 Abrasion of unspecified front wall of thorax S20.321 Blister (nonthermal) of right front wall of thorax S20.322 Blister (nonthermal) of left front wall of thorax S20.323 Blister (nonthermal) of bilateral front wall of thorax S20.324 Blister (nonthermal) of middle front wall of thorax S20.329 Blister (nonthermal) of unspecified front wall of thorax S20.341 External constriction of right front wall of thorax S20.342 External constriction of left front wall of thorax S20.343 External constriction of bilateral front wall of thorax S20.344 External constriction of middle front wall of thorax S20.349 External constriction of unspecified front wall of thorax S20.351 Superficial foreign body of right front wall of thorax S20.352 Superficial foreign body of left front wall of thorax S20.353 Superficial foreign body of bilateral front wall of thorax S20.354 Superficial foreign body of middle front wall of thorax S20.359 Superficial foreign body of unspecified front wall of thorax S20.361 Insect bite (nonvenomous) of right front wall of thorax S20.362 Insect bite (nonvenomous) of left front wall of thorax S20.363 Insect bite (nonvenomous) of bilateral front wall of thorax S20.364 Insect bite (nonvenomous) of middle front wall of thorax S20.369 Insect bite (nonvenomous) of unspecified front wall of thorax S20.371 Other superficial bite of right front wall of thorax S20.372 Other superficial bite of left front wall of thorax S20.373 Other superficial bite of bilateral front wall of thorax S20.374 Other superficial bite of middle front wall of thorax S20.379 Other superficial bite of unspecified front wall of thorax S20.401 Unspecified superficial injuries of right back wall of thorax S20.402 Unspecified superficial injuries of left back wall of thorax S20.409 Unspecified superficial injuries of unspecified back wall of thorax S20.411 Abrasion of right back wall of thorax S20.412 Abrasion of left back wall of thorax S20.419 Abrasion of unspecified back wall of thorax S20.421 Blister (nonthermal) of right back wall of thorax S20.422 Blister (nonthermal) of left back wall of thorax S20.429 Blister (nonthermal) of unspecified back wall of thorax S20.441 External constriction of right back wall of thorax S20.442 External constriction of left back wall of thorax S20.449 External constriction of unspecified back wall of thorax S20.451 Superficial foreign body of right back wall of thorax S20.452 Superficial foreign body of left back wall of thorax S20.459 Superficial foreign body of unspecified back wall of thorax S20.461 Insect bite (nonvenomous) of right back wall of thorax S20.462 Insect bite (nonvenomous) of left back wall of thorax S20.469 Insect bite (nonvenomous) of unspecified back wall of thorax S20.471 Other superficial bite of right back wall of thorax S20.472 Other superficial bite of left back wall of thorax S20.479 Other superficial bite of unspecified back wall of thorax S20.90 Unspecified superficial injury of unspecified parts of thorax S20.91 Abrasion of unspecified parts of thorax S20.92 Blister (nonthermal) of unspecified parts of thorax S20.94 External constriction of unspecified parts of thorax S20.95 Superficial foreign body of unspecified parts of thorax S20.96 Insect bite (nonvenomous) of unspecified parts of thorax S20.97 Other superficial bite of unspecified parts of thorax
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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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