2026 ICD-10-CM Diagnosis Code S30.85ASSuperficial foreign body of flank, sequela
S30.85AS is a billable ICD-10-CM diagnosis code for superficial foreign body of flank, 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.
Code Identity
Code Classification
Present on Admission (POA)Billing
S30.85AS 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 Superficial injury of abdomen, lower back, pelvis and external genitals (S30). 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.
Code History & ChangesHistory
New Code S30.85AS was added to the ICD-10-CM code set for FY 2026, effective October 1, 2025.
Replacement S30.85AS replaces the following previously assigned code(s):
- S30.851S - Superficial foreign body of abdominal wall, sequela
Questions About S30.85ASOverview
Is S30.85AS (Superficial foreign body of flank) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report superficial foreign body of flank, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character S in S30.85AS mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the superficial foreign body of flank itself has resolved, not the original event.
What MS-DRG does S30.85AS group to?
When superficial foreign body of flank, 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 S30.85AS 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 flank, sequela on inpatient claims.
