2026 ICD-10-CM Diagnosis Code S30.9AXSUnspecified superficial injury of flank, sequela

ICD-10-CM Codes›S00–T88›S30-S39›S30

ICD-10-CM S30.9AXS
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

S30.9AXS is a billable ICD-10-CM diagnosis code for unspecified superficial injury 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

ICD-10-CM Code
S30.9AXS
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified superficial injury of flank, sequela
Short Description
Unspecified superficial injury of flank, sequela
Same as the full description in the CMS dataset.
Parent Code
S30.9A
Unspecified superficial injury of flank

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS30-S39Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
CategoryS30Superficial injury of abdomen, lower back, pelvis and external genitals
This CodeS30.9AXSUnspecified superficial injury of flank, sequela

Present on Admission (POA)Billing

S30.9AXS 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 S30.9AXS was added to the ICD-10-CM code set for FY 2026, effective October 1, 2025.

Replacement S30.9AXS replaces the following previously assigned code(s):

  • S30.92XS - Unspecified superficial injury of abdominal wall, sequela
FY 2026AddedAdded to the ICD-10-CM code setEffective October 1, 2025.
FY 2026CurrentRevised in the current code setEffective October 1, 2025 through September 30, 2026.

Questions About S30.9AXSOverview

Is S30.9AXS (Unspecified superficial injury of flank) a billable code?

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

What does the 7th character S in S30.9AXS mean?

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

What MS-DRG does S30.9AXS group to?

When unspecified superficial injury 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 S30.9AXS 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 unspecified superficial injury of flank, sequela on inpatient claims.