2026 ICD-10-CM Diagnosis Code M80.871SOther osteoporosis with current pathological fracture, right ankle and foot, sequela

ICD-10-CM Codes›M00–M99›M80-M85›M80

ICD-10-CM M80.871S
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M80.871S is a billable ICD-10-CM diagnosis code for other osteoporosis with current pathological fracture, right ankle and foot, 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 559 through 561. The code is exempt from POA reporting. Coders also document this condition as pathological fracture of right foot. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Pathological, stress and atypical fractures, sequela.

Code Identity

ICD-10-CM Code
M80.871S
Billable Status
Yes — Valid for Submission
Code Describes
Other osteoporosis with current pathological fracture, right ankle and foot, sequela
Short Description
Oth osteopor w current path fracture, right ank/ft, sequela
Parent Code
M80.871
Other osteoporosis with current pathological fracture, right ankle and foot

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM80-M85Disorders of bone density and structure
CategoryM80Osteoporosis with current pathological fracture
This CodeM80.871SOther osteoporosis with current pathological fracture, right ankle and foot, sequela

Present on Admission (POA)Billing

M80.871S 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.

  • Pathological fracture of right foot
  • Pathological fracture of right foot due to osteoporosis
  • Pathological fracture of right foot due to secondary osteoporosis

Clinical ClassificationClinical

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

CCSR MUS020
Pathological, stress and atypical fractures, sequela
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Fractures

A fracture is a break in a bone. Fractures are usually caused by injuries. Since they can sometimes be serious, it's important to get medical care right away if you think you have a fracture.

The full article covers:

  • What is a fracture?
  • What are the different types of fractures?
  • What causes fractures?
  • What are the symptoms of a fracture?
  • How are fractures diagnosed?
  • What are the treatments for fractures?
  • Can fractures be prevented?

Read the full article at MedlinePlus

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

Convert M80.871S to ICD-9-CMHistory

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

ICD-9-CM
905.4 Late effect leg fx
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 M80.871SOverview

Is M80.871S a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other osteoporosis with current pathological fracture, right ankle and foot, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What does the 7th character S in M80.871S mean?

The final character S makes this a sequela code: it reports a lingering problem that remains after the other osteoporosis with current pathological fracture, right ankle and foot itself has resolved, not the original event.

What MS-DRG does M80.871S group to?

When other osteoporosis with current pathological fracture, right ankle and foot, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 559, 560, 561, with relative weights from 0.8039 to 1.8649 depending on complications. Higher weights mean higher Medicare reimbursement.

Is M80.871S 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 other osteoporosis with current pathological fracture, right ankle and foot, sequela on inpatient claims.

What is the ICD-9 equivalent of M80.871S?

Under the General Equivalence Mappings, other osteoporosis with current pathological fracture, right ankle and foot, sequela converts to ICD-9-CM 905.4 (late effect leg fx). 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.