1. ICD-10-CM Codes
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2. Q00-Q99
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3. Q65-Q79
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4. Q77-
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5. 2023 ICD-10-CM Diagnosis Code Q77.6

2023 ICD-10-CM Diagnosis Code Q77.6

Chondroectodermal dysplasia

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

• Q77.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2023 edition of ICD-10-CM Q77.6 became effective on October 1, 2022.
• This is the American ICD-10-CM version of Q77.6 - other international versions of ICD-10 Q77.6 may differ.

• A rare autosomal recessive syndrome caused by mutations in the evc gene. It is characterized by dwarfism, small chest, ectodermal dysplasia, and postaxial polydactyly. There is an increased frequency of congenital heart malformations.
• Chondrodysplasia of long bones affecting mainly the distal ends of extremities and resulting in short-limb dwarfism, hexadactyly of the fingers and less frequently the toes; ectodermal dysplasia with nail and hair abnormalities, and congenital heart defects. Associated abnormalities may include cryptorchidism, epispadias, talipes equinovalgus, and dandy-walker syndrome (absence of cerebellar vermis, hydrocephalus, and posterior fossa cyst continuous with the fourth ventricle). Some patients are retarded. The largest pedigree was observed in old order amish in lancaster county, pennsylvania and some cases were reported in australian aborigines.
• Dwarfism occurring in association with defective development of skin, hair, and teeth, polydactyly, and defect of the cardiac septum. (Dorland, 27th ed)

• Q77.6 is considered exempt from POA reporting.

• 564 Other musculoskeletal system and connective tissue diagnoses with mcc
• 565 Other musculoskeletal system and connective tissue diagnoses with cc
• 566 Other musculoskeletal system and connective tissue diagnoses without cc/mcc

Convert Q77.6 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change

• Type 1 Excludes: Q87.1
  , Q82.4
  ICD-10-CM Diagnosis Code Q87.1

  Congenital malformation syndromes predominantly associated with short stature

  2016 2017 2018 2019 2020 - Converted to Parent Code 2021 2022 2023 Non-Billable/Non-Specific Code

  Type 1 Excludes

  • Ellis-van Creveld syndrome (Q77.6)
  • Smith-Lemli-Opitz syndrome (E78.72)
  ICD-10-CM Diagnosis Code Q82.4

  Ectodermal dysplasia (anhidrotic)

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

  Type 1 Excludes

  • Ellis-van Creveld syndrome (Q77.6)

• Chondroectodermal dysplasia Q77.6
• Disease, diseased - see also Syndrome
  • Ellis-van Creveld Q77.6 (chondroectodermal dysplasia)
• Dysplasia - see also Anomaly
  • chondroectodermal Q77.6
• Ellis-van Creveld syndrome Q77.6 (chondroectodermal dysplasia)
• Syndrome - see also Disease
  • chondroectodermal dysplasia Q77.6
  • Ellis-van Creveld Q77.6

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.