ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 13, 2017
  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 2017 ICD-10-CM Coding Guidelines.

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.