October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

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 v07.2.26.

ICD-10-CM FY2027 · CMS grouper v07.2.26

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.

Code families in C73-C75

One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.

Every code in C73-C75

Descriptions are CMS’s own, abbreviated as CMS abbreviates them.

CodeDescriptionClinical groupPrimary position
C73Malignant neoplasm of thyroid glandKCan lead a claim
C7400Malignant neoplasm of cortex of unspecified adrenal glandKCan lead a claim
C7401Malignant neoplasm of cortex of right adrenal glandKCan lead a claim
C7402Malignant neoplasm of cortex of left adrenal glandKCan lead a claim
C7410Malignant neoplasm of medulla of unspecified adrenal glandNoneCannot lead a claim
C7411Malignant neoplasm of medulla of right adrenal glandKCan lead a claim
C7412Malignant neoplasm of medulla of left adrenal glandKCan lead a claim
C7490Malignant neoplasm of unsp part of unspecified adrenal glandNoneCannot lead a claim
C7491Malignant neoplasm of unsp part of right adrenal glandKCan lead a claim
C7492Malignant neoplasm of unspecified part of left adrenal glandKCan lead a claim
C750Malignant neoplasm of parathyroid glandKCan lead a claim
C751Malignant neoplasm of pituitary glandKCan lead a claim
C752Malignant neoplasm of craniopharyngeal ductKCan lead a claim
C753Malignant neoplasm of pineal glandKCan lead a claim
C754Malignant neoplasm of carotid bodyKCan lead a claim
C755Malignant neoplasm of aortic body and other paragangliaKCan lead a claim
C758Malignant neoplasm with pluriglandular involvement, unspKCan lead a claim
C759Malignant neoplasm of endocrine gland, unspecifiedKCan lead a claim

Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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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