Disorders Of Thyroid Gland ICD 9 Codes (240-246)

3.  ENDOCRINE, NUTRITIONAL AND METABOLIC DISEASES, AND IMMUNITY DISORDERS (ICD 9 CODES: 240-279)

Excludes:   endocrine and metabolic disturbances specific

to the fetus and newborn (775.0-775.9)

Note:    All neoplasms, whether functionally active or not, are classified in Chapter 2. Codes in Chapter 3 (i.e., 242.8, 246.0, 251-253, 255-259) may be used to identify such functional activity associated with any neoplasm, or by ectopic endocrine tissue.

DISORDERS OF THYROID GLAND (ICD 9 CODES: 240-246)

240       Simple and unspecified goiter

240.0    Goiter, specified as simple

Any condition classifiable to 240.9, specified as simple

240.9    Goiter, unspecified

Enlargement of thyroid

Goiter or struma:

NOS

diffuse colloid

endemic

hyperplastic

nontoxic (diffuse)

parenchymatous

sporadic

Excludes: congenital (dyshormonogenic) goiter (246.1)

241       Nontoxic nodular goiter

Excludes:    adenoma of thyroid (226)

cystadenoma of thyroid (226)

241.0    Nontoxic uninodular goiter

Thyroid nodule

Uninodular goiter (nontoxic)

241.1    Nontoxic multinodular goiter

Multinodular goiter (nontoxic)

241.9    Unspecified nontoxic nodular goiter

Adenomatous goiter

Nodular goiter (nontoxic) NOS

Struma nodosa (simplex)

242       Thyrotoxicosis with or without goiter

Excludes:    neonatal thyrotoxicosis (775.3)

The following fifth-digit subclassification is for use with category 242:

0 without mention of thyrotoxic crisis or storm

1 with mention of thyrotoxic crisis or storm

242.0    Toxic diffuse goiter

[0-1]

Basedow's disease

Exophthalmic or toxic goiter NOS

Graves' disease

Primary thyroid hyperplasia

242.1    Toxic uninodular goiter

[0-1]

Thyroid nodule, toxic or with hyperthyroidism

Uninodular goiter, toxic or with hyperthyroidism

242.2    Toxic multinodular goiter

[0-1]

Secondary thyroid hyperplasia

242.3    Toxic nodular goiter, unspecified

[0-1]

Adenomatous goiter, toxic or with hyperthyroidism

Nodular goiter, toxic or with hyperthyroidism

Struma nodosa, toxic or with hyperthyroidism

Any condition classifiable to 241.9 specified as toxic or with hyperthyroidism

242.4    Thyrotoxicosis from ectopic thyroid nodule

[0-1]

242.8    Thyrotoxicosis of other specified origin

[0-1]

Overproduction of thyroid-stimulating hormone [TSH]

Thyrotoxicosis:

factitia from ingestion of excessive thyroid material

Use additional E code to identify cause, if drug-induced

242.9    Thyrotoxicosis without mention of goiter or other cause

[0-1]

Hyperthyroidism NOS

Thyrotoxicosis NOS

243       Congenital hypothyroidism

Congenital thyroid insufficiency

Cretinism (athyrotic) (endemic)

Use additional code to identify associated intellectual disabilities

Excludes:    congenital (dyshormonogenic) goiter (246.1)

244       Acquired hypothyroidism

Includes:     athyroidism (acquired)

hypothyroidism (acquired)

myxedema (adult) (juvenile)

thyroid (gland) insufficiency (acquired)

244.0    Postsurgical hypothyroidism

244.1    Other postablative hypothyroidism

Hypothyroidism following therapy, such as irradiation

244.2    Iodine hypothyroidism

Hypothyroidism resulting from administration or ingestion of iodide

Use additional E to identify drug

Excludes: hypothyroidism resulting from administration of radioactive iodine (244.1)

244.3    Other iatrogenic hypothyroidism

Hypothyroidism resulting from:

P-aminosalicylic acid [PAS]

Phenylbutazone

Resorcinol

Iatrogenic hypothyroidism NOS

Use additional E to identify drug

244.8    Other specified acquired hypothyroidism

Secondary hypothyroidism NEC

244.9    Unspecified hypothyroidism

Hypothyroidism, primary or NOS

Myxedema, primary or NOS

245       Thyroiditis

245.0    Acute thyroiditis

Abscess of thyroid

Thyroiditis:

nonsuppurative, acute

pyogenic

suppurative

Use additional code to identify organism

245.1    Subacute thyroiditis

Thyroiditis:

de Quervain's

giant cell

granulomatous

viral

245.2    Chronic lymphocytic thyroiditis

Hashimoto's disease

Struma lymphomatosa

Thyroiditis:

autoimmune

lymphocytic (chronic)

245.3    Chronic fibrous thyroiditis

Struma fibrosa

Thyroiditis:

invasive (fibrous)

ligneous

Riedel's

245.4    Iatrogenic thyroiditis

Use additional E to identify cause

245.8    Other and unspecified chronic thyroiditis

Chronic thyroiditis:

NOS

nonspecific

245.9    Thyroiditis, unspecified

Thyroiditis NOS

246       Other disorders of thyroid

246.0    Disorders of thyrocalcitonin secretion

Hypersecretion of calcitonin or thyrocalcitonin

246.1    Dyshormonogenic goiter

Congenital (dyshormonogenic) goiter

Goiter due to enzyme defect in synthesis of thyroid hormone

Goitrous cretinism (sporadic)

246.2    Cyst of thyroid

Excludes: cystadenoma of thyroid (226)

246.3    Hemorrhage and infarction of thyroid

246.8    Other specified disorders of thyroid

Abnormality of thyroid-binding globulin

Atrophy of thyroid

Hyper-TBG-nemia

Hypo-TBG-nemia

246.9    Unspecified disorder of thyroid