M26.220 – Open anterior occlusal relationship

ICD-10-CM 2027 diagnosis code · Dentofacial anomalies [including malocclusion] and other disorders of jaw

Billable code

ICD-10-CM code M26.220
Code
M26.220 (claims format: M26220)
Description
Open anterior occlusal relationship
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block
M26-M27 Dentofacial anomalies [including malocclusion] and other disorders of jaw
Parent codes
M26 › M26.2 › M26.22

Notes for M26.220

Applicable to:
  • Anterior open bite

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block M26-M27

Excludes1 (not coded here):
  • hemifacial atrophy or hypertrophy (Q67.4)
  • unilateral condylar hyperplasia or hypoplasia (M27.8)

Index terms for M26.220

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in M26.22

Frequently asked questions

What is ICD-10 code M26.220?

M26.220 is the ICD-10-CM code for open anterior occlusal relationship, in the block M26-M27 (Dentofacial anomalies [including malocclusion] and other disorders of jaw).

Is M26.220 a billable code?

Yes. M26.220 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M26.220 belong to?

It belongs to category M26 – Dentofacial anomalies [including malocclusion].

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.