E03.9

E03.9: Hypothyroidism, unspecified

Billable / specific codeICD-10-CM

E03.9 is a billable, specific ICD-10-CM code for hypothyroidism, unspecified. It is valid for submission on a claim.

Check E03.9 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Myxedema NOS

Excludes1 inherited from the categories above E03.9

A category’s note binds every code beneath it.

Written on E03: Other hypothyroidism

iodine-deficiency related hypothyroidism (E00-E02)
postprocedural hypothyroidism (E89.0)

Other codes that can never be billed with E03.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

L98.5Mucinosis of the skin

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

E03.9 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57361Billing and Coding: Monitored Anesthesia Care

Alphabetic index entries that lead here

Hoffmann's syndrome
Hypothyroidism(acquired)
Myxedema(adult) (idiocy) (infantile) (juvenile)
Cataract›myxedema
Insufficiency, insufficient›thyroid(gland) (acquired)
Anemia›due to›myxedema
Arthritis, arthritic›in›hypothyroidism NEC
Arthropathy›in›hypothyroidism
Dementia›in›hypothyroidism, acquired
Myopathy›in›hypothyroidism
Myopathy›in›myxedema
Ataxia, ataxy, ataxic›cerebellar›in›myxedema

Code history

Unchanged in every release from FY2024 to FY2027.