2027 ICD-10-CM Diagnosis Code M84.576SPathological fracture in neoplastic disease, unspecified foot, sequela
ICD-10-CM Codes›M00–M99›M80-M85›M84
- Billable — Valid for Submission
- 7th Character S — Sequela
- Chronic Condition
M84.576S is a billable ICD-10-CM diagnosis code for pathological fracture in neoplastic disease, unspecified 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 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 559 through 561. Coders also document this condition as pathologic fracture of bone of foot at site of neoplasm. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Pathological, stress and atypical fractures, sequela.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Pathologic fracture of bone of foot at site of neoplasm
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to M84.576S: its own notes plus those printed at M84.5, M84, and Chapter 13. A note printed at a category, block or chapter applies to every code under it.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- traumatic fracture of bone-see fracture, by site
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Code Also
A second code may be needed to fully describe the condition; the note gives no sequencing direction.
- underlying neoplasm
Notes
General instructions on how these codes are used.
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
7th Character
Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.
- The appropriate 7th character is to be added to each code from subcategory M84.5:
- Ainitial encounter for fracture
- Dsubsequent encounter for fracture with routine healing
- Gsubsequent encounter for fracture with delayed healing
- Ksubsequent encounter for fracture with nonunion
- Psubsequent encounter for fracture with malunion
- Ssequela this code
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name M84.576S, its category, or a range that includes it.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Foot Injuries and Disorders
Each of your feet has 26 bones, 33 joints, and more than 100 tendons, muscles, and ligaments. No wonder a lot of things can go wrong. Here are a few common problems:
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M84.576S to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M84.576SOverview
What is the ICD-10 code for pathological fracture in neoplastic disease, unspecified foot, sequela?
The ICD-10-CM code for pathological fracture in neoplastic disease, unspecified foot, sequela is M84.576S (sometimes written as M84576S). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is M84.576S a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report pathological fracture in neoplastic disease, unspecified foot, sequela on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What does the 7th character S in M84.576S mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the pathological fracture in neoplastic disease, unspecified foot itself has resolved, not the original event.
What MS-DRG does M84.576S group to?
When pathological fracture in neoplastic disease, unspecified foot, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 559, 561, 560, with relative weights from 0.8258 to 1.8087 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of M84.576S?
Under the General Equivalence Mappings, pathological fracture in neoplastic disease, unspecified foot, sequela converts to ICD-9-CM 905.4 (late effect leg fx). The mapping is approximate, so confirm the match fits the documentation.
