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 v07.2.26.
ICD-10-CM FY2027 · CMS grouper v07.2.26
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.
Code families in L20-L30
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
- L20Atopic dermatitis7 codes
- L21Seborrheic dermatitis4 codes
- L22Diaper dermatitis1 code
- L23Allergic contact dermatitis11 codes
- L24Irritant contact dermatitis19 codes
- L25Unspecified contact dermatitis8 codes
- L26Exfoliative dermatitis1 code
- L27Dermatitis due to substances taken internally5 codes
- L28Lichen simplex chronicus and prurigo3 codes
- L29Pruritus7 codes
- L30Other and unspecified dermatitis8 codes
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 | Can lead a claim |
| L2081 | Atopic neurodermatitis | A | Can lead a claim |
| L2082 | Flexural eczema | A | Can lead a claim |
| L2083 | Infantile (acute) (chronic) eczema | A | Can lead a claim |
| L2084 | Intrinsic (allergic) eczema | A | Can lead a claim |
| L2089 | Other atopic dermatitis | A | Can lead a claim |
| L209 | Atopic dermatitis, unspecified | A | Can lead a claim |
| L210 | Seborrhea capitis | A | Can lead a claim |
| L211 | Seborrheic infantile dermatitis | A | Can lead a claim |
| L218 | Other seborrheic dermatitis | A | Can lead a claim |
| L219 | Seborrheic dermatitis, unspecified | A | Can lead a claim |
| L22 | Diaper dermatitis | A | Can lead a claim |
| L230 | Allergic contact dermatitis due to metals | A | Can lead a claim |
| L231 | Allergic contact dermatitis due to adhesives | A | Can lead a claim |
| L232 | Allergic contact dermatitis due to cosmetics | A | Can lead a claim |
| L233 | Allergic contact dermatitis due to drugs in contact w skin | A | Can lead a claim |
| L234 | Allergic contact dermatitis due to dyes | A | Can lead a claim |
| L235 | Allergic contact dermatitis due to other chemical products | A | Can lead a claim |
| L236 | Allergic contact dermatitis due to food in contact w skin | A | Can lead a claim |
| L237 | Allergic contact dermatitis due to plants, except food | A | Can lead a claim |
| L2381 | Allergic contact dermatitis due to animal (cat) (dog) dander | A | Can lead a claim |
| L2389 | Allergic contact dermatitis due to other agents | A | Can lead a claim |
| L239 | Allergic contact dermatitis, unspecified cause | A | Can lead a claim |
| L240 | Irritant contact dermatitis due to detergents | A | Can lead a claim |
| L241 | Irritant contact dermatitis due to oils and greases | A | Can lead a claim |
| L242 | Irritant contact dermatitis due to solvents | A | Can lead a claim |
| L243 | Irritant contact dermatitis due to cosmetics | A | Can lead a claim |
| L244 | Irritant contact dermatitis due to drugs in contact w skin | A | Can lead a claim |
| L245 | Irritant contact dermatitis due to other chemical products | A | Can lead a claim |
| L246 | Irritant contact dermatitis due to food in contact with skin | A | Can lead a claim |
| L247 | Irritant contact dermatitis due to plants, except food | A | Can lead a claim |
| L2481 | Irritant contact dermatitis due to metals | A | Can lead a claim |
| L2489 | Irritant contact dermatitis due to other agents | A | Can lead a claim |
| L249 | Irritant contact dermatitis, unspecified cause | A | Can lead a claim |
| L24A0 | Irritant cntct derm d/t friction or cntct w body fluids,unsp | A | Can lead a claim |
| L24A1 | Irritant contact dermatitis due to saliva | A | Can lead a claim |
| L24A2 | Irritant cntct derm d/t fecal, urinry or dual incontinence | A | Can lead a claim |
| L24A9 | Irritant cntct derm due friction or cntct w oth body fluids | A | Can lead a claim |
| L24B0 | Irritant contact dermatitis related to unsp stoma or fistula | A | Can lead a claim |
| L24B1 | Irritant contact derm related to digestive stoma or fistula | A | Can lead a claim |
| L24B2 | Irritant contact dermatitis related to resp stoma or fistula | A | Can lead a claim |
| L24B3 | Irritant cntct derm rel to fecal or urinary stoma or fistula | A | Can lead a claim |
| L250 | Unspecified contact dermatitis due to cosmetics | A | Can lead a claim |
| L251 | Unsp contact dermatitis due to drugs in contact with skin | A | Can lead a claim |
| L252 | Unspecified contact dermatitis due to dyes | A | Can lead a claim |
| L253 | Unsp contact dermatitis due to other chemical products | A | Can lead a claim |
| L254 | Unsp contact dermatitis due to food in contact with skin | A | Can lead a claim |
| L255 | Unspecified contact dermatitis due to plants, except food | A | Can lead a claim |
| L258 | Unspecified contact dermatitis due to other agents | A | Can lead a claim |
| L259 | Unspecified contact dermatitis, unspecified cause | A | Can lead a claim |
| L26 | Exfoliative dermatitis | A | Can lead a claim |
| L270 | Gen skin eruption due to drugs and meds taken internally | A | Can lead a claim |
| L271 | Loc skin eruption due to drugs and meds taken internally | A | Can lead a claim |
| L272 | Dermatitis due to ingested food | A | Can lead a claim |
| L278 | Dermatitis due to other substances taken internally | A | Can lead a claim |
| L279 | Dermatitis due to unspecified substance taken internally | A | Can lead a claim |
| L280 | Lichen simplex chronicus | A | Can lead a claim |
| L281 | Prurigo nodularis | A | Can lead a claim |
| L282 | Other prurigo | A | Can lead a claim |
| L290 | Pruritus ani | A | Can lead a claim |
| L291 | Pruritus scroti | A | Can lead a claim |
| L292 | Pruritus vulvae | A | Can lead a claim |
| L293 | Anogenital pruritus, unspecified | A | Can lead a claim |
| L2981 | Cholestatic pruritus | A | Can lead a claim |
| L2989 | Other pruritus | A | Can lead a claim |
| L299 | Pruritus, unspecified | None | Cannot lead a claim |
| L300 | Nummular dermatitis | A | Can lead a claim |
| L301 | Dyshidrosis [pompholyx] | A | Can lead a claim |
| L302 | Cutaneous autosensitization | A | Can lead a claim |
| L303 | Infective dermatitis | A | Can lead a claim |
| L304 | Erythema intertrigo | A | Can lead a claim |
| L305 | Pityriasis alba | A | Can lead a claim |
| L308 | Other specified dermatitis | A | Can lead a claim |
| L309 | Dermatitis, unspecified | 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.
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