M26.21

Non-billable

Malocclusion, Angle's class

Malocclusion, Angle's class

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

M26.2

Child Codes

4

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 (4)

Also Known As / Clinical Terms

Frequently Asked Questions

What is the ICD-10 code for malocclusion, angle's class?

The ICD-10-CM code for malocclusion, angle's class is M26.21. The full clinical description is "Malocclusion, Angle's class". M26.21 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code M26.21 mean?

ICD-10-CM code M26.21 represents "Malocclusion, Angle's class". It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.

Is M26.21 a billable code?

No, M26.21 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under M26.21.

What chapter is M26.21 in?

M26.21 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).

What codes cannot be used with M26.21?

M26.21 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 M26.21?

M26.21 has 4 child codes, including: M26.211 (Malocclusion, Angle's class I), M26.212 (Malocclusion, Angle's class II), M26.213 (Malocclusion, Angle's class III), M26.219 (Malocclusion, Angle's class, unspecified).

What are the UMLS CUIs for M26.21?

M26.21 is linked to 1 UMLS Concept Unique Identifier: C2895130. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.