AutoICD API

M26.2

Non-billable

Anomalies of dental arch relationship

Anomalies of dental arch relationship

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

M26-M27

Parent Code

M26

Child Codes

7

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • hemifacial atrophy or hypertrophy (Q67.4)
  • unilateral condylar hyperplasia or hypoplasia (M27.8)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)

Child Codes (7)

M26.20

Unspecified anomaly of dental arch relationship

BillableM26.21

Malocclusion, Angle's class

M26.22

Open occlusal relationship

M26.23

Excessive horizontal overlap

BillableM26.24

Reverse articulation

BillableM26.25

Anomalies of interarch distance

BillableM26.29

Other anomalies of dental arch relationship

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code M26.2?

ICD-10-CM code M26.2 represents "Anomalies of dental arch relationship". It is a non-billable header code — use a more specific child code for billing purposes.

Is M26.2 a billable code?

No, M26.2 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under M26.2.

What chapter is M26.2 in?

M26.2 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).

What codes cannot be used with M26.2?

M26.2 has Excludes1 notes indicating codes that cannot be used together with it, including: hemifacial atrophy or hypertrophy (Q67.4); unilateral condylar hyperplasia or hypoplasia (M27.8).

What are the subcategories under M26.2?

M26.2 has 7 child codes, including: M26.20 (Unspecified anomaly of dental arch relationship), M26.21 (Malocclusion, Angle's class), M26.22 (Open occlusal relationship), M26.23 (Excessive horizontal overlap), and 3 more.

What are the UMLS CUIs for M26.2?

M26.2 is linked to 1 UMLS Concept Unique Identifier: C0155939. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.