ICD-10 · PDGM grouping
Z18-Z18 — Retained foreign body fragments
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
14
No clinical group
14
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
None of the 14 codes in Z18-Z18 is assigned a PDGM clinical group. A 30-day period cannot be grouped from any of them, so none can hold the primary position on a home health claim.
Code families in Z18-Z18
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 Z18-Z18
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| Z1801 | Retained depleted uranium fragments | None | Cannot lead a claim |
| Z1809 | Other retained radioactive fragments | None | Cannot lead a claim |
| Z1810 | Retained metal fragments, unspecified | None | Cannot lead a claim |
| Z1811 | Retained magnetic metal fragments | None | Cannot lead a claim |
| Z1812 | Retained nonmagnetic metal fragments | None | Cannot lead a claim |
| Z182 | Retained plastic fragments | None | Cannot lead a claim |
| Z1831 | Retained animal quills or spines | None | Cannot lead a claim |
| Z1832 | Retained tooth | None | Cannot lead a claim |
| Z1833 | Retained wood fragments | None | Cannot lead a claim |
| Z1839 | Other retained organic fragments | None | Cannot lead a claim |
| Z1881 | Retained glass fragments | None | Cannot lead a claim |
| Z1883 | Retained stone or crystalline fragments | None | Cannot lead a claim |
| Z1889 | Other specified retained foreign body fragments | None | Cannot lead a claim |
| Z189 | Retained foreign body fragments, unspecified material | None | Cannot 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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