M26.31
BillableCrowding of fully erupted teeth
Crowding of fully erupted teeth
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 psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •embedded and impacted teethK01
Related Codes(8)
M26.30Unsp anomaly of tooth position of fully erupted tooth/teeth
M26.32Excessive spacing of fully erupted teeth
M26.33Horizontal displacement of fully erupted tooth or teeth
M26.34Vertical displacement of fully erupted tooth or teeth
M26.35Rotation of fully erupted tooth or teeth
M26.36Insufficient interocclusal distance of fully erupted teeth
M26.37Excessive interocclusal distance of fully erupted teeth
M26.39Oth anomalies of tooth position of fully erupted tooth/teeth
Also Known As / Clinical Terms(19)
SNOMED CT
- Crowding of teeth12351004
- Imbrication of teeth12351004
- Crowding of teeth due to supernumerary teeth109505006
- Anterior imbrication of teeth196406005
- Posterior imbrication of teeth196407001
- Crowding of posterior maxillary teeth449788006
- Crowding of anterior mandibular teeth449789003
- Crowding of posterior mandibular teeth449791006
- Crowding of anterior maxillary teeth449798000
Clinical Terms
- Crowding of anterior maxillary teeth
- Crowding of teeth due to supernumerary teeth
- Posterior imbrication of teeth
- Anterior imbrication of teeth
- Crowding of posterior maxillary teeth
- Crowding of posterior mandibular teeth
- Imbrication of teeth
- Crowding of teeth
- Crowding of anterior mandibular teeth
Frequently Asked Questions
What is the ICD-10 code for crowding of fully erupted teeth?
The ICD-10-CM code for crowding of fully erupted teeth is M26.31. The full clinical description is "Crowding of fully erupted teeth". M26.31 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M26.31 mean?
ICD-10-CM code M26.31 represents “Crowding of fully erupted teeth”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a billable/specific code that can be used on a claim.
Is M26.31 a billable code?
Yes, M26.31 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M26.31 in?
M26.31 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M26.31?
M26.31 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 M26.31 map to?
M26.31 maps to 8 SNOMED CT concepts: 196406005, 449789003, 449798000, 449791006, 449788006, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M26.31?
M26.31 is linked to 1 UMLS Concept Unique Identifier: C2895138. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M26.31 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like crowding of fully erupted teeth affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M26.31?
There is no direct ICD-11 mapping available for M26.31 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.