M26.59
Billable

Other dentofacial functional abnormalities

Billable / Specific Code

What is Other dentofacial functional abnormalities?

ICD-10-CM M26.59 is the diagnosis code for Other dentofacial functional abnormalities. This code falls under the section "Dentofacial anomalies [including malocclusion] and other disorders of jaw" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for M26.59

✅ This Code Includes

  • Centric occlusion (of teeth) NOS
  • Malocclusion due to abnormal swallowing
  • Malocclusion due to mouth breathing
  • Malocclusion due to tongue, lip or finger habits

ICD-10-CM Code Hierarchy

Understanding where M26.59 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is M26.59 a billable ICD-10-CM code?

Yes, M26.59 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M26.59 mean?

M26.59 is the ICD-10-CM diagnosis code for "Other dentofacial functional abnormalities". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M26.59?

The parent code of M26.59 is M26.5 ("Dentofacial functional abnormalities"). M26.59 provides a more specific classification within this category.

What section is M26.59 in?

M26.59 is located in Section M26-M27 — "Dentofacial anomalies [including malocclusion] and other disorders of jaw" within Chapter 13 of the ICD-10-CM Tabular List.

When should I use M26.59?

Use M26.59 when the patients documented diagnosis matches "Other dentofacial functional abnormalities" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other dentofacial functional abnormalities?

The ICD-10-CM code for Other dentofacial functional abnormalities is M26.59.

Can M26.59 be used for primary diagnosis?

Yes, M26.59 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M26.59 in?

M26.59 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M26.59 valid for 2026?

Yes, M26.59 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM26.57Lack of posterior occlusal supportNext →M26.6Temporomandibular joint disorders
Code Details
M26.59
Other dentofacial functional abnormalities
Billable / Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M26-M27 — Dentofacial anomalies [including malocclusion] and other disorders of jaw
2026 ICD-10-CM