E76.21
⚠ Non-billable
Morquio mucopolysaccharidoses
ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases
Code
E76.21
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Endocrine, Nutritional and Metabolic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code E76.21?
ICD-10-CM code E76.21 represents Morquio mucopolysaccharidoses. It is a non-billable header code requiring a more specific subcategory in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is E76.21 billable?
No. E76.21 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is E76.21 in?
E76.21 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.
Related codes in the E76 category
E76
Disorders of glycosaminoglycan metabolism
Non-billable
E76.0
Mucopolysaccharidosis, type I
Non-billable
E76.1
Mucopolysaccharidosis, type II
Billable
E76.2
Other mucopolysaccharidoses
Non-billable
E76.3
Mucopolysaccharidosis, unspecified
Billable
E76.8
Other disorders of glucosaminoglycan metabolism
Billable
E76.9
Glucosaminoglycan metabolism disorder, unspecified
Billable
E76.01
Hurler's syndrome
Billable
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