DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

E26 Hyperaldosteronism

  • Header · not billable

E26 is not billable. The category heads 7 billable codes in FY2027, grouped under 4 subdivisions.

Index → code

Where it sits

  1. Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
  2. E20-E35 Disorders of other endocrine glands (E20-E35)
  3. E26 Hyperaldosteronism
Billable codes
7
Subdivisions
4
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
18

Codes in E26

  1. E26.0
    Primary hyperaldosteronism
    Header
  2. E26.01
    Conn's syndrome
    Billable
    Code also 1

    Code also

    • adrenal adenoma (D35.0-) D35.0
  3. E26.02
    Glucocorticoid-remediable aldosteronism
    Billable
    Inclusion terms 1

    Inclusion terms

    • Familial aldosteronism type I
  4. E26.09
    Other primary hyperaldosteronism
    Billable
    Inclusion terms 1

    Inclusion terms

    • Primary aldosteronism due to adrenal hyperplasia (bilateral)
  5. E26.1
    Secondary hyperaldosteronism
    Billable
  6. E26.8
    Other hyperaldosteronism
    Header
  7. E26.81
    Bartter's syndrome
    Billable
  8. E26.89
    Other hyperaldosteronism
    Billable
  9. E26.9
    Hyperaldosteronism, unspecified
    Billable
    Inclusion terms 2

    Inclusion terms

    • Aldosteronism NOS
    • Hyperaldosteronism NOS

Sources of each column.

Instructions

Notes that also apply

Block E20-E35 instructions (Excludes1 2): printed on the block page.

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

Index entries

  • Conn's syndrome → E26.01
  • Bartter's syndrome → E26.81
  • Aldosteronism → E26.9
  • Hyperaldosteronism → E26.9
  • SyndromeConn's → E26.01
  • Aldosteronismfamilial (type I) → E26.02
  • Aldosteronismglucocorticoid-remediable → E26.02
  • Hyperaldosteronismfamilial (type I) → E26.02
  • Hyperaldosteronismglucocorticoid-remediable → E26.02
  • Aldosteronismprimary (due to (bilateral) adrenal hyperplasia) → E26.09
  • Aldosteronismprimary NEC → E26.09
  • Hyperaldosteronismprimary (due to (bilateral) adrenal hyperplasia) → E26.09
  • Hyperaldosteronismprimary NEC → E26.09
  • Aldosteronismsecondary → E26.1
  • Hyperaldosteronismsecondary → E26.1
  • SyndromeBartter's → E26.81
  • Aldosteronismspecified NEC → E26.89
  • Hyperaldosteronismspecified NEC → E26.89

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

Hierarchy