Other acquired deformities of musculoskeletal system and connective tissue
chapter 13: Diseases of the Musculoskeletal System and Connective Tissue
10 billable codes under M95: none are a CC or MCC; none map to an HCC.
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Instructional notes
Excludes2: not included here, code separately if applicable
- 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.-)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers site and laterality, acute injury versus chronic musculoskeletal conditions, 7th characters for pathologic fractures, osteoporosis with or without current fracture, and multisystem inflammatory syndrome.
- Site and laterality (page 60)
- Acute traumatic versus chronic or recurrent musculoskeletal conditions (page 61)
- Coding of Pathologic Fractures (page 61)
- Osteoporosis (page 61)
- Multisystem Inflammatory Syndrome (page 62)
All codes under M95
M95 can't be used on a claim. Pick a billable code below; grey headings group them.
- M95.0Acquired deformity of nose
- M95.1Cauliflower ear
- M95.10Cauliflower ear, unspecified ear
- M95.11Cauliflower ear, right ear
- M95.12Cauliflower ear, left ear
- M95.2Other acquired deformity of head
- M95.3Acquired deformity of neck
- M95.4Acquired deformity of chest and rib
- M95.5Acquired deformity of pelvis
- M95.8Other specified acquired deformities of musculoskeletal system
- M95.9Acquired deformity of musculoskeletal system, unspecified
M95 MS-DRGs
As the principal diagnosis, the billable codes under M95 group to MS-DRG 564, 565, 566, 154, 155, or 156 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 564 Other Musculoskeletal System and Connective Tissue Diagnoses with MCC (6 of 10 codes)
- DRG 565 Other Musculoskeletal System and Connective Tissue Diagnoses with CC (6 of 10 codes)
- DRG 566 Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC (6 of 10 codes)
- DRG 154 Other Ear, Nose, Mouth and Throat Diagnoses with MCC (4 of 10 codes)
- DRG 155 Other Ear, Nose, Mouth and Throat Diagnoses with CC (4 of 10 codes)
- DRG 156 Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC (4 of 10 codes)
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.