Billable / Specific Code
ICD-10-CM E34.321 is the diagnosis code for Primary insulin-like growth factor-1 (IGF-1) deficiency. This code falls under the section "Disorders of other endocrine glands" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where E34.321 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, E34.321 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
E34.321 is the ICD-10-CM diagnosis code for "Primary insulin-like growth factor-1 (IGF-1) deficiency". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of E34.321 is E34.32 ("Genetic causes of short stature"). E34.321 provides a more specific classification within this category.
E34.321 is located in Section E20-E35 — "Disorders of other endocrine glands" within Chapter 4 of the ICD-10-CM Tabular List.
Use E34.321 when the patients documented diagnosis matches "Primary insulin-like growth factor-1 (IGF-1) deficiency" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Primary insulin-like growth factor-1 (IGF-1) deficiency is E34.321.
Yes, E34.321 can be used as a primary diagnosis code since it is billable and specific.
E34.321 is in Chapter 4 of the ICD-10-CM Tabular List.
Yes, E34.321 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.