2027 ICD-10-CM Diagnosis Code M84.542DPathological fracture in neoplastic disease, left hand, subsequent encounter for fracture with routine healing

ICD-10-CM Codes›M00–M99›M80-M85›M84

ICD-10-CM M84.542D
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

M84.542D is a billable ICD-10-CM diagnosis code for pathological fracture in neoplastic disease, left hand, subsequent encounter for fracture with routine healing. The 7th character D means subsequent encounter for fracture with routine healing, used during routine care in the healing or recovery phase. 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 neoplasm of bone of left hand. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Pathological fracture, subsequent encounter.

Code Identity

ICD-10-CM Code
M84.542D
Billable Status
Yes — Valid for Submission
Code Describes
Pathological fracture in neoplastic disease, left hand, subsequent encounter for fracture with routine healing
Short Description
Path fx in neopltc disease, l hand, subs for fx w routn heal
Parent Code
Pathological fracture in neoplastic disease, left hand

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM80-M85Disorders of bone density and structure
CategoryM84Disorder of continuity of bone
This CodeM84.542DPathological fracture in neoplastic disease, left hand, subsequent encounter for fracture with routine healing

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Neoplasm of bone of left hand
  • Pathologic fracture of bone of hand at site of neoplasm
  • Pathological fracture - hand
  • Pathological fracture of bone of left hand at site of neoplasm
  • Pathological fracture of left hand

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to M84.542D: 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.

From M84 Disorder of continuity of bone applies to 928 codes
  • traumatic fracture of bone-see fracture, by site
From Chapter 13 (M00-M99) Diseases of the musculoskeletal system and connective tissue applies to 6,687 codes
  • 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.

From M84.5 Pathological fracture in neoplastic disease applies to 192 codes
  • underlying neoplasm

Notes

General instructions on how these codes are used.

From Chapter 13 (M00-M99) Diseases of the musculoskeletal system and connective tissue applies to 6,687 codes
  • 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.

From M84.5 Pathological fracture in neoplastic disease applies to 192 codes
  • 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 this code
  • Gsubsequent encounter for fracture with delayed healing
  • Ksubsequent encounter for fracture with nonunion
  • Psubsequent encounter for fracture with malunion
  • Ssequela

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name M84.542D, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming M84.542D: they are not reported together with it, unless the two conditions are unrelated.

  • M84.4 Pathological fracture, not elsewhere classified
    pathological fracture in neoplastic disease (M84.5-) names M84.5-, which includes this code

Clinical ClassificationClinical

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

CCSR MUS015
Pathological fracture, subsequent encounter
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 M84.542D to ICD-9-CMHistory

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

ICD-9-CM
V54.22 Aftrcare path fx low arm
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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About M84.542DOverview

Is M84.542D (Pathological fracture in neoplastic disease, left hand) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report pathological fracture in neoplastic disease, left hand, subsequent encounter for fracture with routine healing on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character D in M84.542D mean?

The final character D marks a subsequent encounter: use it for routine care while the pathological fracture in neoplastic disease, left hand is healing, after active treatment has ended. In this category the CMS Tabular List defines D as "subsequent encounter for fracture with routine healing".

What MS-DRG does M84.542D group to?

When pathological fracture in neoplastic disease, left hand, subsequent encounter for fracture with routine healing 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 M84.542D?

Under the General Equivalence Mappings, pathological fracture in neoplastic disease, left hand, subsequent encounter for fracture with routine healing converts to ICD-9-CM V54.22 (aftrcare path fx low arm). The mapping is approximate, so confirm the match fits the documentation.