E83.31 – Familial hypophosphatemia
ICD-10-CM 2027 diagnosis code · Metabolic disorders
ICD-10-CM code
E83.31
- Code
E83.31(claims format:E8331)- Description
- Familial hypophosphatemia
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E70-E88 Metabolic disorders
- Parent codes
- E83 › E83.3
Notes for E83.31
Applicable to:
- Vitamin D-resistant osteomalacia
- Vitamin D-resistant rickets
Excludes1 (not coded here):
- vitamin D-deficiency rickets (E55.0)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
E83 – Disorders of mineral metabolism
Excludes1 (not coded here):
E83.3 – Disorders of phosphorus metabolism and phosphatases
Excludes2 (not included here):
- disorders of pyrophosphate metabolism (E83.82-)
Block E70-E88
Excludes1 (not coded here):
Excludes2 (not included here):
- Ehlers-Danlos syndromes (Q79.6-)
Index terms for E83.31
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Rickets, vitamin-D-resistant
- Osteomalacia, vitamin-D-resistant in adults
- Hypophosphatemia, hypophosphatasia, familial
- Osteomalacia, vitamin-D-resistant in adults, rib
- Osteomalacia, vitamin-D-resistant in adults, toe
- Osteomalacia, vitamin-D-resistant in adults, neck
- Osteomalacia, vitamin-D-resistant in adults, ulna
- Osteomalacia, vitamin-D-resistant in adults, tibia
- Osteomalacia, vitamin-D-resistant in adults, skull
- Osteomalacia, vitamin-D-resistant in adults, ilium
- Osteomalacia, vitamin-D-resistant in adults, femur
- Osteomalacia, vitamin-D-resistant in adults, finger
- Osteomalacia, vitamin-D-resistant in adults, fibula
- Osteomalacia, vitamin-D-resistant in adults, radius
- Osteomalacia, vitamin-D-resistant in adults, carpus
- Osteomalacia, vitamin-D-resistant in adults, tarsus
- Osteomalacia, vitamin-D-resistant in adults, ischium
- Osteomalacia, vitamin-D-resistant in adults, humerus
- Osteomalacia, vitamin-D-resistant in adults, scapula
- Osteomalacia, vitamin-D-resistant in adults, vertebra
- Osteomalacia, vitamin-D-resistant in adults, clavicle
- Osteomalacia, vitamin-D-resistant in adults, metatarsus
- Osteomalacia, vitamin-D-resistant in adults, metacarpus
- Osteomalacia, vitamin-D-resistant in adults, multiple sites
- Disorder, metabolism NOS, phosphorus, hypophosphatemia, familial
Related codes in E83.3
Frequently asked questions
What is ICD-10 code E83.31?
E83.31 is the ICD-10-CM code for familial hypophosphatemia, in the block E70-E88 (Metabolic disorders).
Is E83.31 a billable code?
Yes. E83.31 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E83.31 belong to?
It belongs to category E83 – Disorders of mineral metabolism.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.