S20.1 — Other and unspecified superficial injuries of breast
Is S20.1 billable?
No — S20.1 is a non-billable header code. S20.1 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 60 billable codes beneath S20.1.
Billable codes under this header
- S20.101AUnspecified superficial injuries of breast, right breast, initial encounter
- S20.101DUnspecified superficial injuries of breast, right breast, subsequent encounter
- S20.101SUnspecified superficial injuries of breast, right breast, sequela
- S20.102AUnspecified superficial injuries of breast, left breast, initial encounter
- S20.102DUnspecified superficial injuries of breast, left breast, subsequent encounter
- S20.102SUnspecified superficial injuries of breast, left breast, sequela
- S20.109AUnspecified superficial injuries of breast, unspecified breast, initial encounter
- S20.109DUnspecified superficial injuries of breast, unspecified breast, subsequent encounter
- S20.109SUnspecified superficial injuries of breast, unspecified breast, sequela
- S20.111AAbrasion of breast, right breast, initial encounter
- S20.111DAbrasion of breast, right breast, subsequent encounter
- S20.111SAbrasion of breast, right breast, sequela
- S20.112AAbrasion of breast, left breast, initial encounter
- S20.112DAbrasion of breast, left breast, subsequent encounter
- S20.112SAbrasion of breast, left breast, sequela
- S20.119AAbrasion of breast, unspecified breast, initial encounter
- S20.119DAbrasion of breast, unspecified breast, subsequent encounter
- S20.119SAbrasion of breast, unspecified breast, sequela
- S20.121ABlister (nonthermal) of breast, right breast, initial encounter
- S20.121DBlister (nonthermal) of breast, right breast, subsequent encounter
- S20.121SBlister (nonthermal) of breast, right breast, sequela
- S20.122ABlister (nonthermal) of breast, left breast, initial encounter
- S20.122DBlister (nonthermal) of breast, left breast, subsequent encounter
- S20.122SBlister (nonthermal) of breast, left breast, sequela
- S20.129ABlister (nonthermal) of breast, unspecified breast, initial encounter
- S20.129DBlister (nonthermal) of breast, unspecified breast, subsequent encounter
- S20.129SBlister (nonthermal) of breast, unspecified breast, sequela
- S20.141AExternal constriction of part of breast, right breast, initial encounter
- S20.141DExternal constriction of part of breast, right breast, subsequent encounter
- S20.141SExternal constriction of part of breast, right breast, sequela
- S20.142AExternal constriction of part of breast, left breast, initial encounter
- S20.142DExternal constriction of part of breast, left breast, subsequent encounter
- S20.142SExternal constriction of part of breast, left breast, sequela
- S20.149AExternal constriction of part of breast, unspecified breast, initial encounter
- S20.149DExternal constriction of part of breast, unspecified breast, subsequent encounter
- S20.149SExternal constriction of part of breast, unspecified breast, sequela
- S20.151ASuperficial foreign body of breast, right breast, initial encounter
- S20.151DSuperficial foreign body of breast, right breast, subsequent encounter
- S20.151SSuperficial foreign body of breast, right breast, sequela
- S20.152ASuperficial foreign body of breast, left breast, initial encounter
- S20.152DSuperficial foreign body of breast, left breast, subsequent encounter
- S20.152SSuperficial foreign body of breast, left breast, sequela
- S20.159ASuperficial foreign body of breast, unspecified breast, initial encounter
- S20.159DSuperficial foreign body of breast, unspecified breast, subsequent encounter
- S20.159SSuperficial foreign body of breast, unspecified breast, sequela
- S20.161AInsect bite (nonvenomous) of breast, right breast, initial encounter
- S20.161DInsect bite (nonvenomous) of breast, right breast, subsequent encounter
- S20.161SInsect bite (nonvenomous) of breast, right breast, sequela
- S20.162AInsect bite (nonvenomous) of breast, left breast, initial encounter
- S20.162DInsect bite (nonvenomous) of breast, left breast, subsequent encounter
- S20.162SInsect bite (nonvenomous) of breast, left breast, sequela
- S20.169AInsect bite (nonvenomous) of breast, unspecified breast, initial encounter
- S20.169DInsect bite (nonvenomous) of breast, unspecified breast, subsequent encounter
- S20.169SInsect bite (nonvenomous) of breast, unspecified breast, sequela
- S20.171AOther superficial bite of breast, right breast, initial encounter
- S20.171DOther superficial bite of breast, right breast, subsequent encounter
- S20.171SOther superficial bite of breast, right breast, sequela
- S20.172AOther superficial bite of breast, left breast, initial encounter
- S20.172DOther superficial bite of breast, left breast, subsequent encounter
- S20.172SOther superficial bite of breast, left breast, sequela
S20.1 at a glance
| Code | S20.1 |
|---|---|
| Description | Other and unspecified superficial injuries of breast |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Use additional code — inherited from Chapter 19
Report an additional code alongside S20.1 to fully describe the condition. S20.1 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S20.1, but a patient may have both at the same time. When documentation supports it, S20.1 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S20-S29
The conditions below are not part of S20.1, but a patient may have both at the same time. When documentation supports it, S20.1 and the excluded code may both be reported.
- 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)
What codes fall under S20.1? (7)
- S20.10Unspecified superficial injuries of breastnot billable
- S20.11Abrasion of breastnot billable
- S20.12Blister (nonthermal) of breastnot billable
- S20.14External constriction of part of breastnot billable
- S20.15Superficial foreign body of breastnot billable
- S20.16Insect bite (nonvenomous) of breastnot billable
- S20.17Other superficial bite of breastnot billable
How long has S20.1 existed?
S20.1 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the S20 family? (5)
- S20.0Contusion of breastnot billable
- S20.2Contusion of thoraxnot billable
- S20.3Other and unspecified superficial injuries of front wall of thoraxnot billable
- S20.4Other and unspecified superficial injuries of back wall of thoraxnot billable
- S20.9Superficial injury of unspecified parts of thoraxnot billable