2026 ICD-10-CM Diagnosis Code S20.151SSuperficial foreign body of breast, right breast, sequela

ICD-10-CM Codes›S00–T88›S20-S29›S20

ICD-10-CM S20.151S
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

S20.151S is a billable ICD-10-CM diagnosis code for superficial foreign body of breast, right breast, sequela. The 7th character S marks it as a sequela code, which reports a problem that remains after the original condition has resolved. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 604 through 605. The code is exempt from POA reporting. Coders also document this condition as foreign body in skin of breast. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury, sequela.

Code Identity

ICD-10-CM Code
S20.151S
Billable Status
Yes — Valid for Submission
Code Describes
Superficial foreign body of breast, right breast, sequela
Short Description
Superficial foreign body of breast, right breast, sequela
Same as the full description in the CMS dataset.
Parent Code
S20.151
Superficial foreign body of breast, right breast

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS20-S29Injuries to the thorax
CategoryS20Superficial injury of thorax
This CodeS20.151SSuperficial foreign body of breast, right breast, sequela

Present on Admission (POA)Billing

S20.151S is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Foreign body in skin of breast
  • Foreign body in skin of breast with infection
  • Foreign body in skin of chest
  • Foreign body in skin of right half of chest
  • Foreign body of right breast
  • Superficial foreign body in right breast
  • Superficial foreign body of chest wall with infection
  • Superficial foreign body of right breast with infection

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Superficial injury of thorax (S20). Use the following options for the applicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2026, published by CMS and the National Center for Health Statistics.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ073
Injury, sequela
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Foreign Bodies

If you've ever gotten a splinter or had sand in your eye, you've had experience with a foreign body. A foreign body is something that is stuck inside you but isn't supposed to be there. You may inhale or swallow a foreign body, or you may get one from an injury to almost any part of your body.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert S20.151S to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
906.2 Late eff superficial inj
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About S20.151SOverview

Is S20.151S (Superficial foreign body of breast, right breast) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report superficial foreign body of breast, right breast, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What does the 7th character S in S20.151S mean?

The final character S makes this a sequela code: it reports a lingering problem that remains after the superficial foreign body of breast, right breast itself has resolved, not the original event.

What MS-DRG does S20.151S group to?

When superficial foreign body of breast, right breast, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 604, 605, with relative weights from 0.9160 to 1.4721 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S20.151S exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for superficial foreign body of breast, right breast, sequela on inpatient claims.

What is the ICD-9 equivalent of S20.151S?

Under the General Equivalence Mappings, superficial foreign body of breast, right breast, sequela converts to ICD-9-CM 906.2 (late eff superficial inj). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.