2027 ICD-10-CM Diagnosis Code M95.8Other specified acquired deformities of musculoskeletal system

ICD-10-CM Codes›M00–M99›M95›M95

ICD-10-CM M95.8
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

M95.8 is a billable ICD-10-CM diagnosis code for other specified acquired deformities of musculoskeletal system. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 564 through 566. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Acquired deformities (excluding foot).

Code Identity

ICD-10-CM Code
M95.8
Billable Status
Yes — Valid for Submission
Code Describes
Other specified acquired deformities of musculoskeletal system
Short Description
Oth acquired deformities of musculoskeletal system
Parent Code
M95
Other acquired deformities of musculoskeletal system and connective tissue

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM95Other disorders of the musculoskeletal system and connective tissue
CategoryM95Other acquired deformities of musculoskeletal system and connective tissue
This CodeM95.8Other specified acquired deformities of musculoskeletal system

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abnormal prominence of clavicle
  • Abnormal prominence of scapula
  • Acquired deformity of abdomen
  • Acquired deformity of abdominal wall
  • Acquired deformity of chest wall
  • Acquired deformity of clavicle
  • Acquired deformity of scapula
  • Acquired deformity of shoulder
  • Acquired deformity of trunk
  • Angulation deformity of long bone
  • Bilateral winged scapulae
  • Bone widening at ends
  • Bowed clavicle
  • Bowing of upper limb
  • Deformity of scapula
  • Deformity of shaft of clavicle
  • Erlenmeyer flask deformity of bone
  • Hooked clavicle
  • Postoperative supratip depression of nose
  • Rotational deformity of trunk
  • Scaphoid abdomen
  • Winged left scapula
  • Winged right scapula
  • Winged scapula

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to M95.8: its own notes plus those printed at M95 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 M95 Other acquired deformities of musculoskeletal system and connective tissue applies to 10 codes
  • acquired absence of limbs and organs (Z89-Z90)
  • acquired deformities of limbs (M20-M21)
  • congenital malformations and deformations of the musculoskeletal system (Q65-Q79)
  • deforming dorsopathies (M40-M43)
  • dentofacial anomalies [including malocclusion] (M26.-)
  • postprocedural musculoskeletal disorders (M96.-)
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)

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

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

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

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

CCSR MUS023
Acquired deformities (excluding foot)
Default principal diagnosis: inpatient Yes · outpatient Yes

Convert M95.8 to ICD-9-CMHistory

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

ICD-9-CM
738.8 Acq deformity NEC
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 M95.8Overview

What is the ICD-10 code for other specified acquired deformities of musculoskeletal system?

The ICD-10-CM code for other specified acquired deformities of musculoskeletal system is M95.8 (sometimes written as M958). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is M95.8 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specified acquired deformities of musculoskeletal system on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does M95.8 group to?

When other specified acquired deformities of musculoskeletal system is the principal diagnosis on an inpatient stay, it groups to MS-DRG 564, 566, 565, with relative weights from 0.7374 to 1.4909 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of M95.8?

Under the General Equivalence Mappings, other specified acquired deformities of musculoskeletal system converts to ICD-9-CM 738.8 (acq deformity NEC). The mapping is approximate, so confirm the match fits the documentation.