ICD-10 Code
International Classification of Diseases, 10th Revision
Dec 14, 2018
  ICD-10 Code for Hypothyroidism, unspecified E03.9

E03.9 is a valid1 ICD 10 diagnosis code.

E03.9 is valid for submission for HIPAA-covered transactions.

Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
Section E00-E07 Disorders of thyroid gland (E00-E07)
Category E03 Other hypothyroidism

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Myxedema NOS
See also ICD 10 code for

Related Terms to “Hypothyroidism, unspecified”

  • Anemia(essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) - D64.9
    • due to(in) (with)
      • myxedema - E03.9
  • Arthritis, arthritic(acute) (chronic) (nonpyogenic) (subacute) - M19.90
    • in(due to)
      • hypothyroidism NEC - E03.9See also subcategory M14.8-
  • Arthropathy - M12.9See also Arthritis
    • in(due to)
      • hypothyroidism - E03.9
  • Ataxia, ataxy, ataxic - R27.0
  • Atrophy, atrophic(of)
    • systemic affecting central nervous system
      • in
        • myxedema - E03.9
  • Cataract(cortical) (immature) (incipient) - H26.9
    • myxedema - E03.9
  • Degeneration, degenerative
    • brain(cortical) (progressive) - G31.9
      • in
        • myxedema - E03.9
  • Dementia(degenerative (primary)) (old age) (persisting) - F03.90
    • in(due to)
      • hypothyroidism, acquired - E03.9
        • with behavioral disturbance - E03.9
  • Hoffmann's syndrome - E03.9
  • Hypothyroidism(acquired) - E03.9
  • Insufficiency, insufficient
    • thyroid(gland) (acquired) - E03.9
  • Myopathy - G72.9
    • in(due to)
      • hypothyroidism - E03.9
      • myxedema - E03.9
  • Myxedema(adult) (idiocy) (infantile) (juvenile) - E03.9See also Hypothyroidism
See the ICD-10-CM Coding Guidelines.

Questions related to E03.9 Hypothyroidism, unspecified

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.