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ICD-10/S20.00

S20.00 ICD-10-CM Code: Contusion of breast, unspecified breast

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Contusion of breast, unspecified breast is a non-billable ICD-10-CM category code (S20.00). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S20.00 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • 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)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can S20.00 be billed directly?

No. S20.00 (Contusion of breast, unspecified breast) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does S20.00 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S20.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S20.00 in its code family, with their registry titles.

  • S20 — Superficial injury of thorax
  • S20.0 — Contusion of breast
  • S20.00XA — Contusion of breast, unspecified breast, initial encounter
  • S20.00XD — Contusion of breast, unspecified breast, subsequent encounter
  • S20.00XS — Contusion of breast, unspecified breast, sequela
  • S20.01 — Contusion of right breast
  • S20.01XA — Contusion of right breast, initial encounter
  • S20.01XD — Contusion of right breast, subsequent encounter
  • S20.01XS — Contusion of right breast, sequela
  • S20.02 — Contusion of left breast

View all codes in the S20 family