E34.321
✓ Billable
Primary insulin-like growth factor-1 (IGF-1) deficiency
ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases
Code
E34.321
System
ICD-10-CM
Billable
Yes — valid for submission
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 E34.321?
ICD-10-CM code E34.321 represents Primary insulin-like growth factor-1 (IGF-1) deficiency. It is a billable diagnosis code in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is E34.321 billable?
Yes. E34.321 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is E34.321 in?
E34.321 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.
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