ICD-10 · PDGM grouping
L20-L30 — Dermatitis and eczema
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.
OASIS-E2 v1.00.0 · ingested 2026-04-26
Codes in range
74
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
73 of the 74 codes in L20-L30 group to MMTA - Other. A further 1 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Every code in L20-L30
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| L200 | Besnier's prurigo | A | Accepted |
| L2081 | Atopic neurodermatitis | A | Accepted |
| L2082 | Flexural eczema | A | Accepted |
| L2083 | Infantile (acute) (chronic) eczema | A | Accepted |
| L2084 | Intrinsic (allergic) eczema | A | Accepted |
| L2089 | Other atopic dermatitis | A | Accepted |
| L209 | Atopic dermatitis, unspecified | A | Accepted |
| L210 | Seborrhea capitis | A | Accepted |
| L211 | Seborrheic infantile dermatitis | A | Accepted |
| L218 | Other seborrheic dermatitis | A | Accepted |
| L219 | Seborrheic dermatitis, unspecified | A | Accepted |
| L22 | Diaper dermatitis | A | Accepted |
| L230 | Allergic contact dermatitis due to metals | A | Accepted |
| L231 | Allergic contact dermatitis due to adhesives | A | Accepted |
| L232 | Allergic contact dermatitis due to cosmetics | A | Accepted |
| L233 | Allergic contact dermatitis due to drugs in contact w skin | A | Accepted |
| L234 | Allergic contact dermatitis due to dyes | A | Accepted |
| L235 | Allergic contact dermatitis due to other chemical products | A | Accepted |
| L236 | Allergic contact dermatitis due to food in contact w skin | A | Accepted |
| L237 | Allergic contact dermatitis due to plants, except food | A | Accepted |
| L2381 | Allergic contact dermatitis due to animal (cat) (dog) dander | A | Accepted |
| L2389 | Allergic contact dermatitis due to other agents | A | Accepted |
| L239 | Allergic contact dermatitis, unspecified cause | A | Accepted |
| L240 | Irritant contact dermatitis due to detergents | A | Accepted |
| L241 | Irritant contact dermatitis due to oils and greases | A | Accepted |
| L242 | Irritant contact dermatitis due to solvents | A | Accepted |
| L243 | Irritant contact dermatitis due to cosmetics | A | Accepted |
| L244 | Irritant contact dermatitis due to drugs in contact w skin | A | Accepted |
| L245 | Irritant contact dermatitis due to other chemical products | A | Accepted |
| L246 | Irritant contact dermatitis due to food in contact with skin | A | Accepted |
| L247 | Irritant contact dermatitis due to plants, except food | A | Accepted |
| L2481 | Irritant contact dermatitis due to metals | A | Accepted |
| L2489 | Irritant contact dermatitis due to other agents | A | Accepted |
| L249 | Irritant contact dermatitis, unspecified cause | A | Accepted |
| L24A0 | Irritant cntct derm d/t friction or cntct w body fluids,unsp | A | Accepted |
| L24A1 | Irritant contact dermatitis due to saliva | A | Accepted |
| L24A2 | Irritant cntct derm d/t fecal, urinry or dual incontinence | A | Accepted |
| L24A9 | Irritant cntct derm due friction or cntct w oth body fluids | A | Accepted |
| L24B0 | Irritant contact dermatitis related to unsp stoma or fistula | A | Accepted |
| L24B1 | Irritant contact derm related to digestive stoma or fistula | A | Accepted |
| L24B2 | Irritant contact dermatitis related to resp stoma or fistula | A | Accepted |
| L24B3 | Irritant cntct derm rel to fecal or urinary stoma or fistula | A | Accepted |
| L250 | Unspecified contact dermatitis due to cosmetics | A | Accepted |
| L251 | Unsp contact dermatitis due to drugs in contact with skin | A | Accepted |
| L252 | Unspecified contact dermatitis due to dyes | A | Accepted |
| L253 | Unsp contact dermatitis due to other chemical products | A | Accepted |
| L254 | Unsp contact dermatitis due to food in contact with skin | A | Accepted |
| L255 | Unspecified contact dermatitis due to plants, except food | A | Accepted |
| L258 | Unspecified contact dermatitis due to other agents | A | Accepted |
| L259 | Unspecified contact dermatitis, unspecified cause | A | Accepted |
| L26 | Exfoliative dermatitis | A | Accepted |
| L270 | Gen skin eruption due to drugs and meds taken internally | A | Accepted |
| L271 | Loc skin eruption due to drugs and meds taken internally | A | Accepted |
| L272 | Dermatitis due to ingested food | A | Accepted |
| L278 | Dermatitis due to other substances taken internally | A | Accepted |
| L279 | Dermatitis due to unspecified substance taken internally | A | Accepted |
| L280 | Lichen simplex chronicus | A | Accepted |
| L281 | Prurigo nodularis | A | Accepted |
| L282 | Other prurigo | A | Accepted |
| L290 | Pruritus ani | A | Accepted |
| L291 | Pruritus scroti | A | Accepted |
| L292 | Pruritus vulvae | A | Accepted |
| L293 | Anogenital pruritus, unspecified | A | Accepted |
| L2981 | Cholestatic pruritus | A | Accepted |
| L2989 | Other pruritus | A | Accepted |
| L299 | Pruritus, unspecified | None | Cannot group |
| L300 | Nummular dermatitis | A | Accepted |
| L301 | Dyshidrosis [pompholyx] | A | Accepted |
| L302 | Cutaneous autosensitization | A | Accepted |
| L303 | Infective dermatitis | A | Accepted |
| L304 | Erythema intertrigo | A | Accepted |
| L305 | Pityriasis alba | A | Accepted |
| L308 | Other specified dermatitis | A | Accepted |
| L309 | Dermatitis, unspecified | A | Accepted |
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.
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.