Genetic disorders, not elsewhere classified
20 codes in this section
About Section QA0
Section QA0 (QA0-QA0) covers genetic disorders, not elsewhere classified. It sits within the Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders chapter (Q00-QA0). This section contains 20 ICD-10-CM codes, 13 billable diagnoses you can submit on a claim, and 7 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in QA0
Grouped by 3-character root code. Click any code for full detail.
| QA0.0 | Neurodevelopmental disorders related to pathogenic variants in specific genes | Header |
| QA0.01 | Neurodevelopmental disorders related to pathogenic variants in certain specific genes | Header |
| QA0.010 | Neurodevelopmental disorders, related to pathogenic variants in ion channel genes | Header |
| QA0.0101 | SCN2A-related neurodevelopmental disorder | Billable |
| QA0.0102 | CACNA1A-related neurodevelopmental disorder | Billable |
| QA0.0109 | Neurodevelopmental disorder related to pathogenic variant in other ion channel gene | Billable |
| QA0.011 | Neurodevelopmental disorders, related to pathogenic variants in glutamate receptor genes | Billable |
| QA0.012 | Neurodevelopmental disorders, related to pathogenic variants in other receptor genes | Billable |
| QA0.013 | Neurodevelopmental disorders, related to pathogenic variants in other transporter and solute carrier genes | Header |
| QA0.0131 | SLC6A1-related disorder | Billable |
| QA0.0139 | Neurodevelopmental disorder, related to pathogenic variant in other transporter or solute carrier gene | Billable |
| QA0.014 | Neurodevelopmental disorders, related to pathogenic variants in synapse related genes | Header |
| QA0.0141 | Syntaxin-binding protein 1-related disorder | Billable |
| QA0.0142 | DLG4-related synaptopathy | Billable |
| QA0.0149 | Neurodevelopmental disorder, related to pathogenic variant in other synapse related gene | Billable |
| QA0.015 | Neurodevelopmental disorders, related to genes associated with transcription and gene expression | Header |
| QA0.0151 | FOXG1 syndrome | Billable |
| QA0.0159 | Neurodevelopmental disorder, related to other genes associated with transcription and gene expression | Billable |
| QA0.8 | Other neurodevelopmental disorders related to pathogenic variants in other specific genes | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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