2020 ICD-10-CM Diagnosis Code Q93.51

Angelman syndrome

    2019 - New Code 2020 Billable/Specific Code POA Exempt
  • Q93.51 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM Q93.51 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of Q93.51 - other international versions of ICD-10 Q93.51 may differ.
The following code(s) above Q93.51 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 Q93.51:
  • Q00-Q99
    2020 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
    2020 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.
  • Q93.51 is considered exempt from POA reporting.
ICD-10-CM Q93.51 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 884 Organic disturbances and intellectual disability
Code History
  • 2019 (effective 10/1/2018): New code
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to Q93.51:
  • Angelman syndrome Q93.51
  • Happy puppet syndrome Q93.51
  • Syndrome - see also Disease
    • Angelman Q93.51
    • happy puppet Q93.51

ICD-10-CM Codes Adjacent To Q93.51
Q92.7 Triploidy and polyploidy
Q92.8 Other specified trisomies and partial trisomies of autosomes
Q92.9 Trisomy and partial trisomy of autosomes, unspecified
Q93 Monosomies and deletions from the autosomes, not elsewhere classified
Q93.0 Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction)
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

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