M95 Header — not billable

Oth acquired deformities of ms sys and connective tissue

Other acquired deformities of musculoskeletal system and connective tissue

M95 is a header (parent) code in the ICD-10-CM hierarchy. It is not billable for claim submission. Use one of the billable child codes listed below.

Billable codes in this category

Each of the codes below is billable. Choose the one that most accurately describes the patient's diagnosis.

M95.0
Acquired deformity of nose

M95.0 identifies a structural deformity of the nose that developed after birth — the result of trauma, disease, or prior surgery rather than a congenital malformation.

M95.2
Other acquired deformity of head

M95.2 captures acquired (non-congenital) structural deformities of the head — including skull asymmetry, plagiocephaly, facial bone deformity, and calcified hematomas — that developed after birth due to trauma, positional pressure, surgery, or other external causes.

M95.3
Acquired deformity of neck

Structural deformity of the neck region that developed after birth — resulting from injury, surgery, infection, inflammatory disease, or other acquired cause — rather than being present at birth.

M95.4
Acquired deformity of chest and rib

M95.4 identifies a structural deformity of the chest wall or ribs that developed after birth as a result of disease, injury, surgery, or another acquired cause — not a congenital malformation.

M95.5
Acquired deformity of pelvis

M95.5 identifies a structural deformity of the pelvis that developed after birth — not a congenital anomaly — including changes to the ilium, ischium, or overall pelvic architecture resulting from disease, injury, or mechanical stress.

M95.8
Oth acquired deformities of musculoskeletal system

M95.8 captures acquired deformities of the musculoskeletal system that don't fit any more specific code within the M95 category — a true 'other specified' bucket for non-congenital structural abnormalities not classified elsewhere.

M95.9
Acquired deformity of musculoskeletal system, unspecified

M95.9 identifies an acquired deformity of the musculoskeletal system when the specific site, structure, or type of deformity is not documented or cannot be determined.

Inclusion & exclusion notes

Excludes 2 (not included here, but may be coded together if both present)

  • 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.-)

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