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ICD-10-CM Current in FY 2027

E21.5

Disorder of parathyroid gland, unspecified

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where E21.5 sits in the official hierarchy. Each level is the code it is classified under.

  1. E21 Parent Hyperparathyroidism and other disorders of parathyroid gland
  2. E21.5 This code Disorder of parathyroid gland, unspecified

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

adult osteomalacia ( M83 .-)

Inherited from E21 — Hyperparathyroidism and other disorders of parathyroid gland

Excludes1

ectopic hyperparathyroidism ( E34.2 )

Inherited from E21 — Hyperparathyroidism and other disorders of parathyroid gland

Excludes1

hungry bone syndrome ( E83.81 )

Inherited from E21 — Hyperparathyroidism and other disorders of parathyroid gland

Excludes1

infantile and juvenile osteomalacia ( E55.0 )

Inherited from E21 — Hyperparathyroidism and other disorders of parathyroid gland

Excludes2

familial hypocalciuric hypercalcemia ( E83.52 )

Inherited from E21 — Hyperparathyroidism and other disorders of parathyroid gland

Version History

How E21.5 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Disorder of parathyroid gland, unspecified

  2. FY 2026 Effective

    Unchanged

    Disorder of parathyroid gland, unspecified

Related Codes

Other codes under E21

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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