ICD-10-CM E83.31 is the diagnosis code for Familial hypophosphatemia. This code falls under the section "Metabolic disorders" 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.
The following conditions should never be coded at the same time as E83.31. They are mutually exclusive:
Understanding where E83.31 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, E83.31 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
E83.31 is the ICD-10-CM diagnosis code for "Familial hypophosphatemia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of E83.31 is E83.3 ("Disorders of phosphorus metabolism and phosphatases"). E83.31 provides a more specific classification within this category.
E83.31 is located in Section E70-E88 — "Metabolic disorders" within Chapter 4 of the ICD-10-CM Tabular List.
Use E83.31 when the patients documented diagnosis matches "Familial hypophosphatemia" 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 Familial hypophosphatemia is E83.31.
Yes, E83.31 can be used as a primary diagnosis code since it is billable and specific.
E83.31 is in Chapter 4 of the ICD-10-CM Tabular List.
Type 1 Excludes for E83.31 include: vitamin D-deficiency rickets (E55.0).
Yes, E83.31 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.