E83.5 – Disorders of calcium metabolism

ICD-10-CM 2027 diagnosis code · Metabolic disorders

Non-billable header

ICD-10-CM code E83.5

Code: E83.5 (claims format: E835)
Description: Disorders of calcium metabolism
Billable: No – use a more specific code below
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

Billable codes under E83.5

E83.5 is a header code and cannot be used on claims. Choose the most specific code:

E83.50 – Unspecified disorder of calcium metabolismBillable
E83.51 – HypocalcemiaBillable
E83.52 – HypercalcemiaBillable
E83.59 – Other disorders of calcium metabolismBillable

Notes for E83.5

Excludes1 (not coded here):

autoimmune hypoparathyroidism (E20.812)
autosomal dominant hypocalcemia (E20.810)
chondrocalcinosis (M11.1-M11.2)
hungry bone syndrome (E83.81)
hyperparathyroidism (E21.0-E21.3)
secondary hypoparathyroidism in diseases classified elsewhere (E20.811)

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):

dietary mineral deficiency (E58-E61)
parathyroid disorders (E20-E21)
vitamin D deficiency (E55.-)

Block E70-E88

Excludes1 (not coded here):

androgen insensitivity syndrome (E34.5-)
congenital adrenal hyperplasia (E25.0)
hemolytic anemias attributable to enzyme disorders (D55.-)
Marfan syndrome (Q87.4-)
5-alpha-reductase deficiency (E29.1)

Excludes2 (not included here):

Ehlers-Danlos syndromes (Q79.6-)

Related codes in E83

Frequently asked questions

What is ICD-10 code E83.5?

E83.5 is the ICD-10-CM code for disorders of calcium metabolism, in the block E70-E88 (Metabolic disorders).

Is E83.5 a billable code?

No. E83.5 is a header code with more specific child codes; report one of the billable codes listed above.

What category does E83.5 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.