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.
Verified May 8, 2026 · 5 sources ↓
- Status
- Billable
- Chapter
- 13
- Related CPT
- 11
- Region
- Other
Documentation tips
What should appear in the chart to support M95.2.
Source · Editorial brief grounded in 5 cited references ↓
- State explicitly that the deformity is 'acquired' — not congenital — to justify M95.2 over a Q67/Q75 code.
- Identify the specific anatomical site: skull, facial bone, forehead, frontal bone, zygomatic arch, chin, or general head shape.
- Document the etiology when known (e.g., positional/postural pressure, prior trauma, post-surgical change, calcified hematoma) to support medical necessity.
- For positional plagiocephaly, record the affected side (right occipital flattening vs. left) and any imaging or physical exam findings confirming asymmetry.
- If a prior injury is the underlying cause, link M95.2 as the late-effect/current deformity diagnosis and separately code the history of injury if relevant to clinical management.
Related CPT procedures
Procedure codes commonly billed with M95.2. Linking the right diagnosis to the right procedure is what establishes medical necessity.
Source · CMS LCDs · AAOS specialty guidance · claims-pattern analysis
Common coding pitfalls
The recurring mistakes coders make with M95.2 and adjacent codes.
Source · Editorial brief grounded in CDC ICD-10-CM tabular guidance, AAOS coding references, and cited references ↓
- Assigning M95.2 for congenital skull deformities — use Q67.3 (plagiocephaly) or Q75.x instead; M95 has a Type 2 Excludes for congenital malformations of the musculoskeletal system (Q65–Q79).
- Using M95.2 for dentofacial anomalies or malocclusion — those belong in M26.- per the Type 2 Excludes on the M95 category.
- Assigning M95.2 for postprocedural craniofacial complications — use M96.- for disorders directly arising from surgical procedures.
- Defaulting to M95.2 when cauliflower ear or acquired nasal deformity is the actual finding — use M95.1x (cauliflower ear with laterality) or M95.0 (acquired nasal deformity) instead.
- Omitting a causative or underlying condition code (e.g., sequela of head injury) when the clinical record clearly documents the origin of the deformity.
Clinical context
Source · Editorial summary grounded in 5 cited references ↓
M95.2 applies when a head or craniofacial deformity is documented as acquired rather than congenital. Covered presentations include acquired positional plagiocephaly (skull flattening from external pressure), acquired deformity of facial bones (e.g., malar hypoplasia, zygomatic asymmetry), subperiosteal hematoma with calcification, asymmetrical skull following trauma or prior surgery, and deformity of the forehead, chin, or frontal bone resulting from injury. The defining requirement is that the deformity arose after birth — if documentation is ambiguous, query the provider before assigning M95.2 versus a Q-code.
This code lives under parent M95 (Other acquired deformities of musculoskeletal system and connective tissue). Within M95, cauliflower ear has its own codes (M95.10–M95.12) and acquired nasal deformity uses M95.0 — so M95.2 is reserved for the head exclusive of the external ear. Congenital skull deformities (Q67.x, Q75.x) are excluded by the Type 2 Excludes note on parent M95, as are dentofacial anomalies including malocclusion (M26.-) and postprocedural musculoskeletal disorders (M96.-).
In orthopedic and craniofacial practice, M95.2 is most likely to appear as a secondary diagnosis alongside a procedure code for cranial remodeling, helmet therapy, or reconstructive facial surgery. It can also serve as a primary diagnosis at evaluation and management visits focused on monitoring a known acquired head deformity. MS-DRG v43.0 groups M95.2 into DRGs 564–566 (other musculoskeletal system and connective tissue diagnoses, with or without CC/MCC).
Sibling codes
Other billable codes under M95 (laterality / anatomic variants).
Frequently asked questions
Source · Generated from the editorial pipeline, verified against 5 cited references ↓
01Does M95.2 cover positional (deformational) plagiocephaly in a child?
02Can M95.2 be used for a skull deformity following a healed head trauma?
03Is M95.2 appropriate for a calcified or ossified cephalohematoma?
04What is the difference between M95.2 and M95.8?
05Does M95.2 require a laterality modifier?
06Can M95.2 be used for facial bone asymmetry after orthognathic surgery?
07Which MS-DRGs does M95.2 map to?
Sources & references
Editorial content was developed using the following public sources. Last verified May 8, 2026.
- 01CDC ICD-10-CM Tabular List 2026 — https://icd10cmtool.cdc.gov/
- 02ICD-10-CM Official Guidelines for Coding and Reporting FY2026, CMS/NCHS — http://stacks.cdc.gov/view/cdc/250974
- 03icd10data.com FY2026 M95.2 — https://www.icd10data.com/ICD10CM/Codes/M00-M99/M95-M95/M95-/M95.2
- 04AAPC Codify M95.2 — https://www.aapc.com/codes/icd-10-codes/M95.2
- 05icdlist.com M95.2 — https://icdlist.com/icd-10/M95.2
Mira AI Scribe
Mira AI Scribe captures the provider's explicit characterization of the deformity as acquired (not congenital), the specific head region involved (skull contour, facial bone, frontal bone, etc.), the suspected or confirmed etiology (positional, traumatic, post-surgical), laterality when applicable, and any supporting imaging findings such as CT evidence of asymmetry or calcified hematoma. Capturing these details prevents downcoding to the unspecified M95.9, avoids a congenital-versus-acquired query flag on audit, and eliminates the need for a post-visit documentation addendum.
See how Mira captures M95.2 documentation