C73-C75 — Malignant neoplasms of thyroid and other endocrine glands
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
Codes in range
18
No clinical group
2
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
16 of the 18 codes in C73-C75 group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases. A further 2 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Every code in C73-C75
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| C73 | Malignant neoplasm of thyroid gland | K | Accepted |
| C7400 | Malignant neoplasm of cortex of unspecified adrenal gland | K | Accepted |
| C7401 | Malignant neoplasm of cortex of right adrenal gland | K | Accepted |
| C7402 | Malignant neoplasm of cortex of left adrenal gland | K | Accepted |
| C7410 | Malignant neoplasm of medulla of unspecified adrenal gland | None | Cannot group |
| C7411 | Malignant neoplasm of medulla of right adrenal gland | K | Accepted |
| C7412 | Malignant neoplasm of medulla of left adrenal gland | K | Accepted |
| C7490 | Malignant neoplasm of unsp part of unspecified adrenal gland | None | Cannot group |
| C7491 | Malignant neoplasm of unsp part of right adrenal gland | K | Accepted |
| C7492 | Malignant neoplasm of unspecified part of left adrenal gland | K | Accepted |
| C750 | Malignant neoplasm of parathyroid gland | K | Accepted |
| C751 | Malignant neoplasm of pituitary gland | K | Accepted |
| C752 | Malignant neoplasm of craniopharyngeal duct | K | Accepted |
| C753 | Malignant neoplasm of pineal gland | K | Accepted |
| C754 | Malignant neoplasm of carotid body | K | Accepted |
| C755 | Malignant neoplasm of aortic body and other paraganglia | K | Accepted |
| C758 | Malignant neoplasm with pluriglandular involvement, unsp | K | Accepted |
| C759 | Malignant neoplasm of endocrine gland, unspecified | K | Accepted |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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