Q74 ICD-10-CM Code: Other congenital malformations of limb(s)
Q74 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · HCC Buddy coding tools
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FY 2026 Apr update / Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0) / Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)
Q74
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidanceOther congenital malformations of limb(s)
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialNo inclusion terms are included in this display for Q74. Check the code and parent instructions in the Code Book.
Excludes 2
Official- inborn errors of metabolism (E70-E88)Inherited from Q00-QA0
Related Codes
Includes
OfficialNo Includes notes are included in this display for Q74. Check the code and parent instructions in the Code Book.
Excludes 1
Official- polydactyly (Q69.-)
- reduction defect of limb (Q71-Q73)
- syndactyly (Q70.-)
Code First
OfficialNo Code First sequencing instructions are included in this display for Q74. Check the code and parent instructions in the Code Book.
Use Additional
OfficialNo Use Additional Code instructions are included in this display for Q74. Check the code and parent instructions in the Code Book.
Code Also
OfficialNo Code Also instructions are included in this display for Q74. Check the code and parent instructions in the Code Book.
Served edition: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
- Code
- Q74
- Description
- Other congenital malformations of limb(s)
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- No
- Payment year
- 2026
Coder workflow notes
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What This Code Means
Q74 is the ICD-10-CM diagnosis code for other congenital malformations of limb(s). Q74 sits in the ICD-10-CM chapter for congenital malformations, deformations and chromosomal abnormalities (q00-qa0), within the section covering congenital malformations and deformations of the musculoskeletal system (q65-q79).
Header codes like Q74 cannot be reported on claims directly; they organize child codes that share clinical context. Coders should select the billable child code that matches the documented presentation and then verify its current source-backed HCC mapping. Do not infer a child code or risk adjustment value from the header alone.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for Q74 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.