AutoICD API

Q74.1

Billable

Congenital malformation of knee

Congenital malformation of knee

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Congenital absence of patella
  • Congenital dislocation of patella
  • Congenital genu valgum
  • Congenital genu varum
  • Rudimentary patella

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(5)
ICD-11 Equivalents(1)

ICD-11 Equivalents

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Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(231)

SNOMED CT

Clinical Terms

  • Congenital hypoplasia of patella (disorder)
  • Meier-Gorlin syndrome
  • Congenital deformity of knee joint
  • Congenital genu varum of both knees
  • Congenital bowing of long bones of leg, unspecified
  • Genu valgus
  • Bipartite kneecap
  • Say Field Coldwell syndrome
  • Bow legs
  • Bilateral congenital knee dislocation
  • Congenital knee deformity
  • Congenital dislocation of right knee
  • Knee joint valgus deformity
  • Knock-kneed
  • Congenital dislocation of the patella
  • Genitopatellar syndrome
  • Absent patella
  • Aniridia
  • Congenital absence of iris
  • Congenital genu valgum of right knee
  • Congenital bowleg
  • Congenital genu valgum of bilateral knees
  • Small patella syndrome
  • Congenital aniridia
  • Congenital deformity of knee joint (disorder)
  • Congenital absence of patella
  • Congenital knee joint deformity
  • Congenital deformity of both knee joints
  • Agenesis of iris
  • Dislocation of joint of left knee due to congenital dysplasia of joint of left knee
  • Knock-knees
  • Non-eruption of teeth, maxillary hypoplasia, genu valgum syndrome
  • Congenital anomaly of patella
  • Congenital dislocation of left knee
  • Congenital bowing of long bones of leg
  • Bilateral disorder of patellofemoral joints
  • Congenital dysplasia of joint of right knee
  • Patellar aplasia
  • Rudimentary patella
  • Absence of patella
  • Congenital genu valgum of left knee
  • Congenital dysplasia of patella
  • Aniridia and absent patella syndrome
  • Congenital varus deformity of left knee
  • Bipartite patella
  • Ischiopatellar dysplasia
  • Congenital varus deformity of knee
  • Irideraemia
  • Triphalangeal thumb and dislocation of patella syndrome
  • Hyperphalangy
  • Bifid patella
  • Patella dysplasia
  • Congenital dislocation of bilateral patellas
  • Congenital deformity of left knee joint
  • Congenital dislocation of both patellas
  • Failure of tooth eruption
  • Congenital knee deformity NOS
  • Congenital dislocation of bilateral knees
  • Congenital dysplasia of joint of knee
  • Congenital patellar dislocation
  • Bow legged
  • Congenital genu varum (disorder)
  • Ear, patella, short stature syndrome
  • Congenital knock-knee
  • Stoelinga de Koomen Davis syndrome
  • Congenital valgus deformity of knee
  • Bilateral congenital patella dislocation
  • Congenital bowed limb
  • Congenital dislocation of right patella
  • Congenital genu valgum (disorder)
  • Congenital genu valgum
  • Triphalangeal thumb
  • Aplasia of iris
  • Congenital genu varum of left knee
  • Congenital genu varum
  • Congenital bowing of unspecified long bones of leg
  • Congenital bow leg
  • Congenital deformity of right knee joint
  • Genu varum congenital
  • Congenital absence of patella (disorder)
  • Irideremia
  • Scypho-patellar dysplasia
  • Congenital deformity of bilateral knee joints
  • Blepharophimosis, intellectual disability syndrome/genitopatellar overlap syndrome
  • Genu varus
  • Bandy legged
  • Congenital deformity of knee
  • Congenital dislocation of left patella
  • Coxopodopatellar syndrome
  • Genu valgum congenital
  • Knee joint varus deformity
  • Congenital dislocation of both knees
  • Congenital dislocation of patella (disorder)
  • Congenital dislocation of patella
  • Aplasia of patella
  • Congenital dysplasia of joint of left knee
  • Congenital hypoplasia of patella
  • Congenital genu varum of bilateral knees
  • Disorder of bilateral patellofemoral joints
  • Congenital genu varum of right knee
  • Supernumerary phalanx
  • Congenital varus deformity of right knee
  • Congenital deformity of knee (joint)
  • Leg bowing
  • Dislocation of joint of knee due to congenital dysplasia of joint of knee
  • Microtia, absent patellae, micrognathia syndrome
  • Dislocation of joint of right knee due to congenital dysplasia of joint of right knee
  • Scott Taor syndrome
  • Disorder of both patellofemoral joints
Frequently Asked Questions
What is the ICD-10 code for congenital malformation of knee?

The ICD-10-CM code for congenital malformation of knee is Q74.1. The full clinical description is "Congenital malformation of knee". Q74.1 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q74.1 mean?

ICD-10-CM code Q74.1 represents “Congenital malformation of knee”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q74.1 a billable code?

Yes, Q74.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q74.1 in?

Q74.1 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q74.1?

Q74.1 has Excludes1 notes indicating codes that cannot be used together with it, including: polydactyly (Q69.-); reduction defect of limb (Q71-Q73); syndactyly (Q70.-); and 3 more.

What SNOMED CT codes does Q74.1 map to?

Q74.1 maps to 46 SNOMED CT concepts: 309244002, 69278003, 720467005, 737219008, 299331007, and 41 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q74.1?

Q74.1 is linked to 6 UMLS Concept Unique Identifiers: C0265667, C0152432, C0158767, C0345360, C0265668, and 1 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q74.1 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like congenital malformation of knee 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 Q74.1?

Q74.1 maps to the ICD-11 code: LB9Z (Structural developmental anomalies of the skeleton, unspecified).

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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.