ICD-10 · PDGM grouping
C69-C72 — Malignant neoplasms of eye, brain and other parts of central nervous system
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.
Codes in range
54
No clinical group
13
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
22 of the 54 codes in C69-C72 group to Neuro Rehabilitation, but the range is not uniform — it spreads across 2 clinical groups. A further 13 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Code families in C69-C72
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 C69-C72
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| C6900 | Malignant neoplasm of unspecified conjunctiva | None | Cannot lead a claim |
| C6901 | Malignant neoplasm of right conjunctiva | K | Can lead a claim |
| C6902 | Malignant neoplasm of left conjunctiva | K | Can lead a claim |
| C6910 | Malignant neoplasm of unspecified cornea | None | Cannot lead a claim |
| C6911 | Malignant neoplasm of right cornea | K | Can lead a claim |
| C6912 | Malignant neoplasm of left cornea | K | Can lead a claim |
| C6920 | Malignant neoplasm of unspecified retina | None | Cannot lead a claim |
| C6921 | Malignant neoplasm of right retina | K | Can lead a claim |
| C6922 | Malignant neoplasm of left retina | K | Can lead a claim |
| C6930 | Malignant neoplasm of unspecified choroid | None | Cannot lead a claim |
| C6931 | Malignant neoplasm of right choroid | K | Can lead a claim |
| C6932 | Malignant neoplasm of left choroid | K | Can lead a claim |
| C6940 | Malignant neoplasm of unspecified ciliary body | None | Cannot lead a claim |
| C6941 | Malignant neoplasm of right ciliary body | K | Can lead a claim |
| C6942 | Malignant neoplasm of left ciliary body | K | Can lead a claim |
| C6950 | Malignant neoplasm of unspecified lacrimal gland and duct | None | Cannot lead a claim |
| C6951 | Malignant neoplasm of right lacrimal gland and duct | K | Can lead a claim |
| C6952 | Malignant neoplasm of left lacrimal gland and duct | K | Can lead a claim |
| C6960 | Malignant neoplasm of unspecified orbit | None | Cannot lead a claim |
| C6961 | Malignant neoplasm of right orbit | K | Can lead a claim |
| C6962 | Malignant neoplasm of left orbit | K | Can lead a claim |
| C6980 | Malignant neoplasm of ovrlp sites of unsp eye and adnexa | None | Cannot lead a claim |
| C6981 | Malignant neoplasm of ovrlp sites of right eye and adnexa | K | Can lead a claim |
| C6982 | Malignant neoplasm of ovrlp sites of left eye and adnexa | K | Can lead a claim |
| C6990 | Malignant neoplasm of unspecified site of unspecified eye | None | Cannot lead a claim |
| C6991 | Malignant neoplasm of unspecified site of right eye | K | Can lead a claim |
| C6992 | Malignant neoplasm of unspecified site of left eye | K | Can lead a claim |
| C700 | Malignant neoplasm of cerebral meninges | B | Can lead a claim |
| C701 | Malignant neoplasm of spinal meninges | K | Can lead a claim |
| C709 | Malignant neoplasm of meninges, unspecified | B | Can lead a claim |
| C710 | Malignant neoplasm of cerebrum, except lobes and ventricles | B | Can lead a claim |
| C711 | Malignant neoplasm of frontal lobe | B | Can lead a claim |
| C712 | Malignant neoplasm of temporal lobe | B | Can lead a claim |
| C713 | Malignant neoplasm of parietal lobe | B | Can lead a claim |
| C714 | Malignant neoplasm of occipital lobe | B | Can lead a claim |
| C715 | Malignant neoplasm of cerebral ventricle | B | Can lead a claim |
| C716 | Malignant neoplasm of cerebellum | B | Can lead a claim |
| C717 | Malignant neoplasm of brain stem | B | Can lead a claim |
| C718 | Malignant neoplasm of overlapping sites of brain | B | Can lead a claim |
| C719 | Malignant neoplasm of brain, unspecified | B | Can lead a claim |
| C720 | Malignant neoplasm of spinal cord | B | Can lead a claim |
| C721 | Malignant neoplasm of cauda equina | B | Can lead a claim |
| C7220 | Malignant neoplasm of unspecified olfactory nerve | None | Cannot lead a claim |
| C7221 | Malignant neoplasm of right olfactory nerve | B | Can lead a claim |
| C7222 | Malignant neoplasm of left olfactory nerve | B | Can lead a claim |
| C7230 | Malignant neoplasm of unspecified optic nerve | None | Cannot lead a claim |
| C7231 | Malignant neoplasm of right optic nerve | B | Can lead a claim |
| C7232 | Malignant neoplasm of left optic nerve | B | Can lead a claim |
| C7240 | Malignant neoplasm of unspecified acoustic nerve | None | Cannot lead a claim |
| C7241 | Malignant neoplasm of right acoustic nerve | B | Can lead a claim |
| C7242 | Malignant neoplasm of left acoustic nerve | B | Can lead a claim |
| C7250 | Malignant neoplasm of unspecified cranial nerve | None | Cannot lead a claim |
| C7259 | Malignant neoplasm of other cranial nerves | B | Can lead a claim |
| C729 | Malignant neoplasm of central nervous system, unspecified | B | Can 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue