Chapter IV
Endocrine, nutritional and metabolic diseases
(E00-E90)

Rules Conventions GCS

Disorders of thyroid gland
(E00-E07)

E00 Congenital iodine-deficiency syndrome

Incl.:
endemic conditions associated with environmental iodine deficiency either directly or as a consequence of maternal iodine deficiency. Some of the conditions have no current hypothyroidism but are the consequence of inadequate thyroid hormone secretion in the developing fetus. Environmental goitrogens may be associated.
Coding-Hint
Use additional code (F70-F79), if desired, to identify associated mental retardation.
Excl.:
subclinical iodine-deficiency hypothyroidism ( E02)
E00.0 Congenital iodine-deficiency syndrome, neurological type
Incl.:
Endemic cretinism, neurological type
E00.1 Congenital iodine-deficiency syndrome, myxoedematous type
Incl.:
Endemic cretinism:
  • hypothyroid
  • myxoedematous type
E00.2 Congenital iodine-deficiency syndrome, mixed type
Incl.:
Endemic cretinism, mixed type
E00.9 Congenital iodine-deficiency syndrome, unspecified
Incl.:
Congenital iodine-deficiency hypothyroidism NOS
Endemic cretinism NOS

E01 Iodine-deficiency-related thyroid disorders and allied conditions

Excl.:
congenital iodine-deficiency syndrome ( E00.-)
subclinical iodine-deficiency hypothyroidism ( E02)
E01.0 Iodine-deficiency-related diffuse (endemic) goitre
E01.1 Iodine-deficiency-related multinodular (endemic) goitre
Incl.:
Iodine-deficiency-related nodular goitre
E01.2 Iodine-deficiency-related (endemic) goitre, unspecified
Incl.:
Endemic goitre NOS
E01.8 Other iodine-deficiency-related thyroid disorders and allied conditions
Incl.:
Acquired iodine-deficiency hypothyroidism NOS

E02 Subclinical iodine-deficiency hypothyroidism

E03 Other hypothyroidism

Excl.:
iodine-deficiency-related hypothyroidism ( E00-E02)
postprocedural hypothyroidism ( E89.0)
E03.0 Congenital hypothyroidism with diffuse goitre
Incl.:
Goitre (nontoxic) congenital:
  • NOS
  • parenchymatous
Excl.:
transitory congenital goitre with normal function ( P72.0)
E03.1 Congenital hypothyroidism without goitre
Incl.:
Aplasia of thyroid (with myxoedema)
Congenital:
  • atrophy of thyroid
  • hypothyroidism NOS
E03.2 Hypothyroidism due to medicaments and other exogenous substances
Coding-Hint
Use additional external cause code (Chapter XX), if desired, to identify cause.
E03.3 Postinfectious hypothyroidism
E03.4 Atrophy of thyroid (acquired)
Excl.:
congenital atrophy of thyroid ( E03.1)
E03.5 Myxoedema coma
E03.8 Other specified hypothyroidism
E03.9 Hypothyroidism, unspecified
Incl.:
Myxoedema NOS

E04 Other nontoxic goitre

Excl.:
congenital goitre:
iodine-deficiency-related goitre ( E00-E02)
E04.0 Nontoxic diffuse goitre
Incl.:
Goitre, nontoxic:
  • diffuse (colloid)
  • simple
E04.1 Nontoxic single thyroid nodule
Incl.:
Colloid nodule (cystic)(thyroid)
Nontoxic uninodular goitre
Thyroid (cystic) nodule NOS
E04.2 Nontoxic multinodular goitre
Incl.:
Cystic goitre NOS
Multinodular (cystic) goitre NOS
E04.8 Other specified nontoxic goitre
E04.9 Nontoxic goitre, unspecified
Incl.:
Goitre NOS
Nodular goitre (nontoxic) NOS

E05 Thyrotoxicosis [hyperthyroidism]

Excl.:
chronic thyroiditis with transient thyrotoxicosis ( E06.2)
neonatal thyrotoxicosis ( P72.1)
E05.0 Thyrotoxicosis with diffuse goitre
Incl.:
Exophthalmic or toxic goitre NOS
Graves disease
Toxic diffuse goitre
E05.1 Thyrotoxicosis with toxic single thyroid nodule
Incl.:
Thyrotoxicosis with toxic uninodular goitre
E05.2 Thyrotoxicosis with toxic multinodular goitre
Incl.:
Toxic nodular goitre NOS
E05.3 Thyrotoxicosis from ectopic thyroid tissue
E05.4 Thyrotoxicosis factitia
E05.5 Thyroid crisis or storm
E05.8 Other thyrotoxicosis
Incl.:
Overproduction of thyroid-stimulating hormone
Coding-Hint
Use additional external cause code (Chapter XX), if desired, to identify cause.
E05.9 Thyrotoxicosis, unspecified
Incl.:
Hyperthyroidism NOS
Thyrotoxic heart disease† ( I43.8*)

E06 Thyroiditis

Excl.:
postpartum thyroiditis ( O90.5)
E06.0 Acute thyroiditis
Incl.:
Abscess of thyroid
Thyroiditis:
  • pyogenic
  • suppurative
Coding-Hint
Use additional code (B95-B98), if desired, to identify infectious agent.
E06.1 Subacute thyroiditis
Incl.:
Thyroiditis:
  • de Quervain
  • giant-cell
  • granulomatous
  • nonsuppurative
Excl.:
autoimmune thyroiditis ( E06.3)
E06.2 Chronic thyroiditis with transient thyrotoxicosis
Excl.:
autoimmune thyroiditis ( E06.3)
E06.3 Autoimmune thyroiditis
Incl.:
Hashimoto thyroiditis
Hashitoxicosis (transient)
Lymphadenoid goitre
Lymphocytic thyroiditis
Struma lymphomatosa
E06.4 Drug-induced thyroiditis
Coding-Hint
Use additional external cause code (Chapter XX), if desired, to identify drug.
E06.5 Other chronic thyroiditis
Incl.:
Thyroiditis:
  • chronic:
    • —  NOS
    • —  fibrous
  • ligneous
  • Riedel
E06.9 Thyroiditis, unspecified

E07 Other disorders of thyroid

E07.0 Hypersecretion of calcitonin
Incl.:
C-cell hyperplasia of thyroid
Hypersecretion of thyrocalcitonin
E07.1 Dyshormogenetic goitre
Incl.:
Familial dyshormogenetic goitre
Pendred syndrome
Excl.:
transitory congenital goitre with normal function ( P72.0)
E07.8 Other specified disorders of thyroid
Incl.:
Abnormality of thyroid-binding globulin
  • Haemorrhage
  • Infarction
  • of thyroid
Sick-euthyroid syndrome
E07.9 Disorder of thyroid, unspecified