2021 ICD-10-CM Diagnosis Code Q93.82

Williams syndrome

    2019 - New Code 2020 2021 Billable/Specific Code POA Exempt
  • Q93.82 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM Q93.82 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of Q93.82 - other international versions of ICD-10 Q93.82 may differ.
The following code(s) above Q93.82 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q93.82:
  • Q00-Q99
    2021 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
  • Q90-Q99
    2021 ICD-10-CM Range Q90-Q99

    Chromosomal abnormalities, not elsewhere classified

    Type 2 Excludes
    • mitochondrial metabolic disorders (E88.4-)
    Chromosomal abnormalities, not elsewhere classified
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • Q93.82 is considered exempt from POA reporting.
ICD-10-CM Q93.82 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 884 Organic disturbances and intellectual disability
Code History
  • 2019 (effective 10/1/2018): New code
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to Q93.82:

ICD-10-CM Codes Adjacent To Q93.82
Q93.1 Whole chromosome monosomy, mosaicism (mitotic nondisjunction)
Q93.2 Chromosome replaced with ring, dicentric or isochromosome
Q93.3 Deletion of short arm of chromosome 4
Q93.4 Deletion of short arm of chromosome 5
Q93.5 Other deletions of part of a chromosome
Q93.51 Angelman syndrome
Q93.59 Other deletions of part of a chromosome
Q93.7 Deletions with other complex rearrangements
Q93.8 Other deletions from the autosomes
Q93.81 Velo-cardio-facial syndrome
Q93.82 Williams syndrome
Q93.88 Other microdeletions
Q93.89 Other deletions from the autosomes
Q93.9 Deletion from autosomes, unspecified
Q95 Balanced rearrangements and structural markers, not elsewhere classified
Q95.0 Balanced translocation and insertion in normal individual
Q95.1 Chromosome inversion in normal individual
Q95.2 Balanced autosomal rearrangement in abnormal individual
Q95.3 Balanced sex/autosomal rearrangement in abnormal individual
Q95.5 Individual with autosomal fragile site
Q95.8 Other balanced rearrangements and structural markers

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