ICD-10 · PDGM grouping
L55-L59 — Radiation-related disorders of 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 v07.2.26.
Codes in range
26
No clinical group
1
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
23 of the 26 codes in L55-L59 group to MMTA - Other, but the range is not uniform — it spreads across 2 clinical groups. A further 1 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Code families in L55-L59
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 L55-L59
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| L550 | Sunburn of first degree | A | Can lead a claim |
| L551 | Sunburn of second degree | C | Can lead a claim |
| L552 | Sunburn of third degree | C | Can lead a claim |
| L559 | Sunburn, unspecified | None | Cannot lead a claim |
| L560 | Drug phototoxic response | A | Can lead a claim |
| L561 | Drug photoallergic response | A | Can lead a claim |
| L562 | Photocontact dermatitis [berloque dermatitis] | A | Can lead a claim |
| L563 | Solar urticaria | A | Can lead a claim |
| L564 | Polymorphous light eruption | A | Can lead a claim |
| L565 | Disseminated superficial actinic porokeratosis (DSAP) | A | Can lead a claim |
| L568 | Oth acute skin changes due to ultraviolet radiation | A | Can lead a claim |
| L569 | Acute skin change due to ultraviolet radiation, unspecified | A | Can lead a claim |
| L570 | Actinic keratosis | A | Can lead a claim |
| L571 | Actinic reticuloid | A | Can lead a claim |
| L572 | Cutis rhomboidalis nuchae | A | Can lead a claim |
| L573 | Poikiloderma of Civatte | A | Can lead a claim |
| L574 | Cutis laxa senilis | A | Can lead a claim |
| L575 | Actinic granuloma | A | Can lead a claim |
| L578 | Oth skin changes due to chr expsr to nonionizing radiation | A | Can lead a claim |
| L579 | Skin changes due to chr expsr to nonionizing radiation, unsp | A | Can lead a claim |
| L580 | Acute radiodermatitis | A | Can lead a claim |
| L581 | Chronic radiodermatitis | A | Can lead a claim |
| L589 | Radiodermatitis, unspecified | A | Can lead a claim |
| L590 | Erythema ab igne [dermatitis ab igne] | A | Can lead a claim |
| L598 | Oth disrd of the skin, subcu related to radiation | A | Can lead a claim |
| L599 | Disorder of the skin, subcu related to radiation, unsp | A | 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