M26.4
BillableMalocclusion, unspecified
Malocclusion, unspecified
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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)
Also Known As / Clinical Terms
SNOMED CT
- Open bite35580009
- Malocclusion47944004
- Malocclusion of teeth47944004
- Class II buccal segment relationship49827005
- Disto-occlusion49827005
- Disto-occlusion of teeth49827005
- Distoclusion of teeth49827005
- Posterior occlusion49827005
- Posteroclusion49827005
- Retrusive occlusion49827005
- Protruding tooth109507003
- Protrusion of tooth109507003
- Malocclusion due to object habits109633000
- Malocclusion due to intraoral soft tissue chewing109634006
- Malocclusion due to gingival hyperplasia109635007
- Malocclusion due to abnormal fraenum attachment109637004
- Malocclusion due to abnormal frenum attachment109637004
- Overeruption of tooth109644008
- Supraclusion of tooth109644008
- Supraocclusion of tooth109644008
- Supereruption of tooth associated with malocclusion109646005
- Occlusal trauma109647001
- Secondary occlusal trauma109649003
- Localised secondary occlusal trauma109650003
- Localized secondary occlusal trauma109650003
- Malocclusion due to lip habit196427000
- Injury of periodontal tissue263274008
- Hyperplasia of gingiva441798003
- Hyperplastic gingiva441798003
- Hyperocclusion699423008
- Premature tooth contact upon closure699423008
- Moderately compromised dentate occlusal scheme709986007
- Moderately compromised occlusal scheme709987003
- Moderately compromised partially dentate occlusal scheme709988008
- Severely compromised dentate occlusal scheme709989000
- Severely compromised occlusal scheme709991008
- Severely compromised partially dentate occlusal scheme709992001
- Substantially compromised dentate occlusal scheme709993006
- Substantially compromised occlusal scheme709994000
- Substantially compromised partially dentate occlusal scheme709995004
- Dental fremitus1351264005
- Minimally compromised occlusal scheme5671000124104
- Skeletal malocclusion4661000119109
UMLS
- MalocclusionC0024636
- Bad biteC0024636
- Dental malocclusionC0024636
- Incorrect relation between upper and lower dental archesC0024636
- Malalignment of upper and lower dental archesC0024636
- Malocclusion (morphologic abnormality)C0024636
- Malocclusion NOSC0024636
- Malocclusion of teethC0024636
- Malocclusion of teeth (disorder)C0024636
- Malocclusion, unspecifiedC0024636
- MalocclusionsC0024636
- Misalignment of upper and lower dental archesC0024636
- Occlusion anomalyC0024636
- dental malocclusionC0024636
- malocclusionC0024636
- malocclusion of teethC0024636
- malocclusionsC0024636
Frequently Asked Questions
What is ICD-10 code M26.4?
ICD-10-CM code M26.4 represents "Malocclusion, unspecified". It is a billable/specific code that can be used on a claim.
Is M26.4 a billable code?
Yes, M26.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M26.4 in?
M26.4 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M26.4?
M26.4 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 SNOMED CT codes does M26.4 map to?
M26.4 maps to 29 SNOMED CT concepts: 49827005, 1351264005, 699423008, 441798003, 263274008, and 24 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M26.4?
M26.4 is linked to 1 UMLS Concept Unique Identifier: C0024636. 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.