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ICD-10-CM Codes Q00-Q99 Q65-Q79 Q74 Q74.1
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ICD-10-CM Diagnosis Code Q74.1

Effective Date: 10/01/2015 To 09/30/2025

Congenital malformation of knee

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
-- -- -- -- -- -- Acute No
Applicable To for Q74.1:

  • Congenital absence of patella

  • Congenital dislocation of patella

  • Congenital genu valgum

  • Congenital genu varum

  • Rudimentary patella

Excludes-1 for Q74.1:

  • congenital dislocation of knee (Q68.2)

  • congenital genu recurvatum (Q68.2)

  • nail patella syndrome (Q87.2)

Back-references to Q74.1
  • Absence(of) (organ or part) (complete or partial)
    • patella, congenital Q74.1
    • Agenesis
      • patella Q74.1
      • Anomaly, anomalous(congenital) (unspecified type) Q89.9
        • knee Q74.1
          • patella Q74.1
          • Bifid(congenital)
            • patella Q74.1
            • Biparta, bipartite
              • patella Q74.1
              • Dislocation(articular)
              • Elongated, elongation(congenital) see also Distortion
                • ligamentum patellae Q74.1
                • Genu
                • Hypertrophy, hypertrophic
                  • meniscus, knee, congenital Q74.1
                  • Hypoplasia, hypoplastic
                    • patella Q74.1
                    • Knock knee(acquired) M21.06-
                      • congenital Q74.1
                      • Malposition
                        • congenital
                          • patella Q74.1
                        • Rudimentary(congenital) see also Agenesis
                          • patella Q74.1
                            • Chapter, Section and Diagnosis Prefix for Q74.1
                              Q00-Q99 :

                              Congenital malformations, deformations and chromosomal abnormalities

                              Q65-Q79 :

                              Congenital malformations and deformations of the musculoskeletal system

                              Q74 :

                              Other congenital malformations of limb(s)