DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

E55 Vitamin D deficiency

  • Header · not billable

E55 is not billable. The category heads 2 billable codes in FY2027: the 2 codes directly below it.

ICD-10 code by name

What is the ICD-10 code for vitamin D deficiency, unspecified?
Vitamin D deficiency ICD-10 code: E55.9 Vitamin D deficiency, unspecified. Search ICD-10 for vitamin D deficiency

Where it sits

  1. Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
  2. E50-E64 Other nutritional deficiencies (E50-E64)
  3. E55 Vitamin D deficiency
Billable codes
2
Subdivisions
2
CC / MCC codes
1 / 0
HCC V28 codes
0
New FY2027
0
Index entries
8

Codes in E55

  1. E55.0
    Rickets, active
    BillableCC
    Inclusion terms 2, Excludes1 7

    Inclusion terms

    • Infantile osteomalacia
    • Juvenile osteomalacia

    Excludes1

    • celiac rickets (K90.0) K90.0
    • Crohn's rickets (K50.-) K50
    • hereditary vitamin D-dependent rickets (E83.32) E83.32
    • inactive rickets (E64.3) E64.3
    • renal rickets (N25.0) N25.0
    • sequelae of rickets (E64.3) E64.3
    • vitamin D-resistant rickets (E83.31) E83.31
  2. E55.9
    Vitamin D deficiency, unspecified 1 billable code
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At E55

Excludes1

  • adult osteomalacia (M83.-) M83
  • osteoporosis (M80.-) M80
  • sequelae of rickets (E64.3) E64.3

Notes that also apply

Block E50-E64 instructions (Excludes2 1): printed on the block page.

Chapter 4 instructions (Notes 1, Excludes1 1): printed on the chapter 4 page.

Index entries

  • Rickets (active) (acute) (adolescent) (chest wall) (congenital) (current) (infantile) (intestinal) → E55.0
  • Rosary, rachitic → E55.0
  • Calciferol (vitamin D) deficiencywith rickets → E55.0
  • Disease, diseasedEnglish (rickets) → E55.0
  • Morbusangelicus, anglorum → E55.0
  • Scurvy, scorbuticrickets → E55.0 [M90.80]
  • Tetany (due to)associated with rickets → E55.0
  • Avitaminosis (multiple)Dwith rickets → E55.0

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy