R20-R23 — Symptoms and signs involving the skin and subcutaneous tissue
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
26
No clinical group
26
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 26 codes in R20-R23 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.
Every code in R20-R23
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| R200 | Anesthesia of skin | None | Cannot group |
| R201 | Hypoesthesia of skin | None | Cannot group |
| R202 | Paresthesia of skin | None | Cannot group |
| R203 | Hyperesthesia | None | Cannot group |
| R208 | Other disturbances of skin sensation | None | Cannot group |
| R209 | Unspecified disturbances of skin sensation | None | Cannot group |
| R21 | Rash and other nonspecific skin eruption | None | Cannot group |
| R220 | Localized swelling, mass and lump, head | None | Cannot group |
| R221 | Localized swelling, mass and lump, neck | None | Cannot group |
| R222 | Localized swelling, mass and lump, trunk | None | Cannot group |
| R2230 | Localized swelling, mass and lump, unspecified upper limb | None | Cannot group |
| R2231 | Localized swelling, mass and lump, right upper limb | None | Cannot group |
| R2232 | Localized swelling, mass and lump, left upper limb | None | Cannot group |
| R2233 | Localized swelling, mass and lump, upper limb, bilateral | None | Cannot group |
| R2240 | Localized swelling, mass and lump, unspecified lower limb | None | Cannot group |
| R2241 | Localized swelling, mass and lump, right lower limb | None | Cannot group |
| R2242 | Localized swelling, mass and lump, left lower limb | None | Cannot group |
| R2243 | Localized swelling, mass and lump, lower limb, bilateral | None | Cannot group |
| R229 | Localized swelling, mass and lump, unspecified | None | Cannot group |
| R230 | Cyanosis | None | Cannot group |
| R231 | Pallor | None | Cannot group |
| R232 | Flushing | None | Cannot group |
| R233 | Spontaneous ecchymoses | None | Cannot group |
| R234 | Changes in skin texture | None | Cannot group |
| R238 | Other skin changes | None | Cannot group |
| R239 | Unspecified skin changes | None | Cannot group |
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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