2026 ICD-10-CM Diagnosis Code S28.212DComplete traumatic amputation of left breast, subsequent encounter
ICD-10-CM Codes›S00–T88›S20-S29›S28
- Billable — Valid for Submission
- POA Exempt
- 7th Character D — Subsequent Encounter
- Chronic Condition
S28.212D is a billable ICD-10-CM diagnosis code for complete traumatic amputation of left breast, subsequent encounter. The 7th character D marks it as a subsequent encounter code, used during routine care in the healing or recovery phase. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 949 through 950. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Amputation of other body parts, subsequent encounter.
Code Identity
Code Classification
Present on Admission (POA)Billing
S28.212D is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Crushing injury of thorax, and traumatic amputation of part of thorax (S28). 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.
Patient EducationClinical
Wounds and Injuries
An injury is damage to your body. It is a general term that refers to harm caused by accidents, falls, hits, weapons, and more. In the U.S., millions of people injure themselves every year. These injuries range from minor to life-threatening.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert S28.212D to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About S28.212DOverview
Is S28.212D (Complete traumatic amputation of left breast) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report complete traumatic amputation of left breast, subsequent encounter on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character D in S28.212D mean?
The final character D marks a subsequent encounter: use it for routine care while the complete traumatic amputation of left breast is healing, after active treatment has ended.
What MS-DRG does S28.212D group to?
When complete traumatic amputation of left breast, subsequent encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 949, 950, with relative weights from 0.6277 to 1.1897 depending on complications. Higher weights mean higher Medicare reimbursement.
Is S28.212D 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 complete traumatic amputation of left breast, subsequent encounter on inpatient claims.
What is the ICD-9 equivalent of S28.212D?
Under the General Equivalence Mappings, complete traumatic amputation of left breast, subsequent encounter converts to ICD-9-CM V58.89 (other specfied aftercare). The mapping is approximate, so confirm the match fits the documentation.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
