QA0.0141 ICD-10-CM Code: Syntaxin-binding protein 1-related disorder
HCC Buddy Code Card
Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.
FY 2026 Apr update / Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0) / Genetic disorders, not elsewhere classified (QA0)
QA0.0141
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceSyntaxin-binding protein 1-related disorder
A neurodevelopmental disorder caused by mutations in the STXBP1 gene, which affects how nerve cells release neurotransmitters and can cause seizures, developmental delays, and movement problems.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
MappedHCC 97
Varies by metal level
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
Official- STXBP1-related disorders
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for QA0.0141 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for QA0.0141 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for QA0.0141 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for QA0.0141 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for QA0.0141 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for QA0.0141 in this effective period.
Buddy Documentation Tip
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is QA0.0141 an HCC code?
No. QA0.0141 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
Coder workflow notes
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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
QA0.0141 is the ICD-10-CM diagnosis code for syntaxin-binding protein 1-related disorder. A neurodevelopmental disorder caused by mutations in the STXBP1 gene, which affects how nerve cells release neurotransmitters and can cause seizures, developmental delays, and movement problems. QA0.0141 sits in the ICD-10-CM chapter for congenital malformations, deformations and chromosomal abnormalities (q00-qa0), within the section covering genetic disorders, not elsewhere classified (qa0).
QA0.0141 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Confirm genetic testing documentation for STXBP1 pathogenic variant.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for QA0.0141 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Confirm genetic testing documentation for STXBP1 pathogenic variant
- •Code associated seizure disorder and developmental manifestations with additional codes