M21.6X9
BillableOther acquired deformities of unspecified foot
Other acquired deformities of unspecified foot
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
- •joints of the spineM40-M54
- •acquired deformities of fingers or toesM20
- •coxa planaM91.2
- •deformities of toe (acquired)-)M20.1-M20.6
Related Codes(2)
Also Known As / Clinical Terms(135)
SNOMED CT
- Pronation of foot10951003
- Out-toeing20566008
- Toeing-out20566008
- Acquired equinus deformity of foot37718006
- Acquired equinus foot deformity37718006
- Acquired plantarflexion deformity of foot37718006
- Acquired cavovarus deformity of foot65362007
- Acquired cavovarus foot deformity65362007
- Talar tilt67672003
- Acquired cavus deformity of foot86900005
- Acquired cavus foot deformity86900005
- Acquired pes cavus86900005
- Plantar flexion deformity of midtarsal joint203577005
- Plantar flexion of the midtarsal joint203577005
- Acquired plantar-flexed forefoot203582003
- Acquired plantar-flexed first ray203583008
- Acquired plantar-flexed fifth ray203584002
- Acquired dorsiflexed forefoot203585001
- Acquired dorsiflexed first ray203586000
- Acquired forefoot adductus203589007
- Acquired forefoot invertus203589007
- Acquired forefoot abductus203590003
- Acquired forefoot evertus203590003
- Chondral defect240138000
- Defect of articular cartilage240138000
- Fracture of articular cartilage240138000
- Calcaneus deformity of foot240249001
- Dorsiflexion deformity of foot240249001
- Acquired adduction deformity of foot240252009
- Acquired abduction deformity of foot240253004
- Absent bone in foot249795004
- Missing bone in foot249795004
- Bowing of foot bone249798002
- Angulation of bone in foot249799005
- Shortening of bone in foot249800009
- Correction of low arch on tiptoe249801008
- Abduction deformity of foot249803006
- Eversion deformity of foot249803006
- Valgus deformity of foot249803006
- Postural calcaneovalgus249804000
- Equinus deformity of foot249807007
- Plantarflexion deformity of foot249807007
- Adduction deformity of the foot249809005
- Adductus deformity of foot249809005
- Pes varus249809005
- Varus deformity of foot249809005
- FFA - Forefoot adductus249810000
- Forefoot adductus249810000
- Supinated forefoot249811001
- Supination deformity of forefoot249811001
- Pronated forefoot249812008
- Deformity of metatarsal271099006
- Supination deformity of foot275353009
- Pronation deformity of the foot275354003
- Calcaneovalgus deformity of foot299466008
- Talipes calcaneovalgus299466008
- Finding of movement of foot299470000
- Observation of movement of foot299470000
- Deformity of bone in foot299561000
- Cavovarus deformity of foot302295001
- Acquired dorsiflexion deformity of foot302296000
- Loss of protective sensation of skin398805009
- Osteochondral defect of talus700385009
- Talar osteochondral defect of ankle700385009
- Acquired metatarsus adductus99701000119102
- Loss of protective sensation of skin of foot co-occurrent with peripheral vascular disease foot and deformity of foot449821000124101
- Peripheral vascular disease of foot with loss of protective sensation and deformity449821000124101
Clinical Terms
- Acquired cavus foot deformity
- Acquired dorsiflexed forefoot
- Plantar flexion of the midtarsal joint
- Postural calcaneovalgus
- Acquired dorsiflexion deformity of foot
- Fracture of articular cartilage
- Correction of low arch on tiptoe
- Varus deformity of foot
- Calcaneus deformity of foot
- Shortening of bone in foot
- Pronation deformity of the foot
- Plantarflexion deformity of foot
- Pronated forefoot
- Acquired forefoot invertus
- FFA - Forefoot adductus
- Acquired cavovarus foot deformity
- Acquired plantar-flexed first ray
- Loss of protective sensation of skin of foot co-occurrent with peripheral vascular disease foot and deformity of foot
- Adduction deformity of the foot
- Osteochondral defect of talus
- Acquired equinus foot deformity
- Deformity of metatarsal
- Eversion deformity of foot
- Pronation of foot
- Talar osteochondral defect of ankle
- Acquired forefoot abductus
- Acquired forefoot adductus
- Angulation of bone in foot
- Acquired dorsiflexed first ray
- Missing bone in foot
- Acquired pes cavus
- Bowing of foot bone
- Equinus deformity of foot
- Loss of protective sensation of skin
- Acquired forefoot evertus
- Absent bone in foot
- Adductus deformity of foot
- Cavovarus deformity of foot
- Acquired adduction deformity of foot
- Peripheral vascular disease of foot with loss of protective sensation and deformity
- Acquired cavovarus deformity of foot
- Observation of movement of foot
- Acquired abduction deformity of foot
- Abduction deformity of foot
- Talar tilt
- Plantar flexion deformity of midtarsal joint
- Talipes calcaneovalgus
- Valgus deformity of foot
- Acquired plantar-flexed forefoot
- Chondral defect
- Out-toeing
- Supination deformity of foot
- Acquired metatarsus adductus
- Pes varus
- Acquired plantar-flexed fifth ray
- Supinated forefoot
- Supination deformity of forefoot
- Acquired plantarflexion deformity of foot
- Deformity of bone in foot
- Acquired equinus deformity of foot
- Acquired cavus deformity of foot
- Defect of articular cartilage
- Calcaneovalgus deformity of foot
- Forefoot adductus
- Toeing-out
- Finding of movement of foot
- Dorsiflexion deformity of foot
Frequently Asked Questions
What is the ICD-10 code for other acquired deformities of unspecified foot?
The ICD-10-CM code for other acquired deformities of unspecified foot is M21.6X9. The full clinical description is "Other acquired deformities of unspecified foot". M21.6X9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M21.6X9 mean?
ICD-10-CM code M21.6X9 represents “Other acquired deformities of unspecified foot”. 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 M21.6X9 a billable code?
Yes, M21.6X9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M21.6X9 in?
M21.6X9 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M21.6X9?
M21.6X9 has Excludes1 notes indicating codes that cannot be used together with it, including: acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74).
What SNOMED CT codes does M21.6X9 map to?
M21.6X9 maps to 42 SNOMED CT concepts: 249803006, 249795004, 240253004, 240252009, 65362007, and 37 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M21.6X9?
M21.6X9 is linked to 1 UMLS Concept Unique Identifier: C2894522. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M21.6X9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other acquired deformities of unspecified foot 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 M21.6X9?
There is no direct ICD-11 mapping available for M21.6X9 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.