DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 4

E00-E07 Disorders of thyroid gland (E00-E07)

Block E00-E07 groups 8 categories with 48 billable codes in FY2027.

Where it sits

  1. Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
  2. E00-E07 Disorders of thyroid gland (E00-E07)

Neighbouring blocks

Categories
8
Billable codes
48
CC codes
1
MCC codes
8
HCC V28 codes
1
New FY2027
0

Categories in E00-E07

  • E00

    Congenital iodine-deficiency syndrome

    Cretin, cretinism (congenital) (endemic) (nongoitrous) (sporadic) → E00.9

    • 4 billable codes
  • E01

    Iodine-deficiency related thyroid disorders and allied conditions

    Thyromegaly → E01.0

    • 4 billable codes
  • E02

    Subclinical iodine-deficiency hypothyroidism

    Hypothyroidism (acquired)subclinical, iodine-deficiency related → E02

    • Billable, no subdivisions
  • E03

    Other hypothyroidism

    Gull's disease → E03.4

    • 8 billable codes
    • 1 MCC
    • 1 with HCC
  • E04

    Other nontoxic goiter

    Substernal thyroid → E04.9

    • 5 billable codes
  • E05

    Thyrotoxicosis [hyperthyroidism]

    Stokes' disease → E05.00

    • 14 billable codes
    • 7 MCC
  • E06

    Thyroiditis

    Thyroiditis → E06.9

    • 7 billable codes
    • 1 CC
  • E07

    Other disorders of thyroid

    Dysthyroidism → E07.9

    • 5 billable codes

Index main terms

  • Goiter (plunging) (substernal) → E01, E03, E04, E05, E06, E07 (40 entries)
  • Thyrotoxicosis (recurrent) → E05, E06 (32 entries)
  • Thyroiditis → E06 (29 entries)
  • Struma → E01, E04, E05, E06 (21 entries)
  • Hypothyroidism (acquired) → E01, E02, E03 (18 entries)
  • Syndrome → E00, E05, E07 (15 entries)
  • Hyperthyroidism (latent) (pre-adult) (recurrent) → E05 (12 entries)
  • Disease, diseased → E05, E06, E07 (11 entries)
  • Myxedema (adult) (idiocy) (infantile) (juvenile) → E00, E03, E05 (7 entries)
  • Nodule(s), nodular → E04, E05 (6 entries)
  • Cretin, cretinism (congenital) (endemic) (nongoitrous) (sporadic) → E00 (5 entries)
  • Disorder (of) → E01, E07 (5 entries)
  • Myopathy → E00, E03, E05 (5 entries)
  • Atrophy, atrophic (of) → E03 (4 entries)
  • Cardiomyopathy (familial) (idiopathic) → E05 (4 entries)

+63 more main terms; the search box finds them by word.

Block instructions

Notes that also apply

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