Q82.4 – Ectodermal dysplasia (anhidrotic)

ICD-10-CM 2027 diagnosis code · Other congenital malformations

Billable code

ICD-10-CM code Q82.4
Code
Q82.4 (claims format: Q824)
Description
Ectodermal dysplasia (anhidrotic)
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Block
Q80-Q89 Other congenital malformations
Parent codes
Q82

Notes for Q82.4

Excludes1 (not coded here):
  • Ellis-van Creveld syndrome (Q77.6)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Q82 – Other congenital malformations of skin

Excludes1 (not coded here):
  • acrodermatitis enteropathica (E83.2)
  • congenital erythropoietic porphyria (E80.0)
  • pilonidal cyst or sinus (L05.-)
  • Sturge-Weber (-Dimitri) syndrome (Q85.89)

Index terms for Q82.4

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q82

Frequently asked questions

What is ICD-10 code Q82.4?

Q82.4 is the ICD-10-CM code for ectodermal dysplasia (anhidrotic), in the block Q80-Q89 (Other congenital malformations).

Is Q82.4 a billable code?

Yes. Q82.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q82.4 belong to?

It belongs to category Q82 – Other congenital malformations of skin.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.