ICD-10 Code for Dermatitis
Also indexed as (eczematous)
The ICD-10-CM code for dermatitis is L30.9 — Dermatitis, unspecified. This is the code the Alphabetic Index gives for dermatitis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
BillableUnspecified
L30.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which dermatitis code should you use?
The Alphabetic Index lists 117 codes under Dermatitis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| ab igne | L59.0 | Erythema ab igne [dermatitis ab igne] | |
| acarine | B88.09 | Other acariasis | |
| actinic | L57.8 | Other skin changes due to chronic exposure to nonionizing radiation | |
| amebic | A06.7 | Cutaneous amebiasis | |
| ammonia | L22 | Diaper dermatitis | |
| arsenical | L27.8 | Dermatitis due to other substances taken internally | |
| artefacta | L98.1 | Factitial dermatitis | |
| atopic | L20.9 | Atopic dermatitis, unspecified | |
| autoimmune progesterone | L30.8 | Other specified dermatitis | |
| berlock, berloque | L56.2 | Photocontact dermatitis [berloque dermatitis] | |
| blastomycotic | B40.3 | Cutaneous blastomycosis | |
| blister beetle | L24.89 | Irritant contact dermatitis due to other agents | |
| bullous, bullosa | L13.9 | Bullous disorder, unspecified | |
| calorica | L59.0 | Erythema ab igne [dermatitis ab igne] | |
| caterpillar | L24.89 | Irritant contact dermatitis due to other agents | |
| cercarial | B65.3 | Cercarial dermatitis | |
| combustionis | L59.0 | Erythema ab igne [dermatitis ab igne] | |
| congelationis | T69.1 | Chilblains | not billable |
| contact | L25.9 | Unspecified contact dermatitis, unspecified cause | |
| contusiformis | L52 | Erythema nodosum | |
| desquamative | L30.8 | Other specified dermatitis | |
| diaper | L22 | Diaper dermatitis | |
| diphtheritica | A36.3 | Cutaneous diphtheria | |
| dry skin | L85.3 | Xerosis cutis | |
| dyshydrotic | L30.1 | Dyshidrosis [pompholyx] | |
| dysmenorrheica | N94.6 | Dysmenorrhea, unspecified | |
| exfoliative, exfoliativa | L26 | Exfoliative dermatitis | |
| eyelid | H01.9 | Unspecified inflammation of eyelid | |
| facta, factitia, factitial | L98.1 | Factitial dermatitis | |
| flexural NEC | L20.82 | Flexural eczema | |
| friction | L30.4 | Erythema intertrigo | |
| fungus | B36.9 | Superficial mycosis, unspecified | |
| gangrenosa, gangrenous infantum | L08.0 | Pyoderma | |
| harvest mite | B88.09 | Other acariasis | |
| heat | L59.0 | Erythema ab igne [dermatitis ab igne] | |
| herpesviral, vesicular | B00.1 | Herpesviral vesicular dermatitis | |
| herpetiformis | L13.0 | Dermatitis herpetiformis | |
| hiemalis | L30.8 | Other specified dermatitis | |
| infectious eczematoid | L30.3 | Infective dermatitis | |
| infective | L30.3 | Infective dermatitis | |
| Jacquet's | L22 | Diaper dermatitis | |
| Leptus | B88.09 | Other acariasis | |
| lichenified NEC | L28.0 | Lichen simplex chronicus | |
| mite | B88.09 | Other acariasis | |
| multiformis | L13.0 | Dermatitis herpetiformis | |
| napkin | L22 | Diaper dermatitis | |
| neurotica | L13.0 | Dermatitis herpetiformis | |
| nummular | L30.0 | Nummular dermatitis | |
| papillaris capillitii | L73.0 | Acne keloid | |
| pellagrous | E52 | Niacin deficiency [pellagra] | |
| perioral | L71.0 | Perioral dermatitis | |
| photocontact | L56.2 | Photocontact dermatitis [berloque dermatitis] | |
| polymorpha dolorosa | L13.0 | Dermatitis herpetiformis | |
| pruriginosa | L13.0 | Dermatitis herpetiformis | |
| pruritic NEC | L30.8 | Other specified dermatitis | |
| psychogenic | F54 | Psychological and behavioral factors associated with disorders or diseases classified elsewhere | |
| purulent | L08.0 | Pyoderma | |
| pyococcal | L08.0 | Pyoderma | |
| pyogenica | L08.0 | Pyoderma | |
| repens | L40.2 | Acrodermatitis continua | |
| Ritter's | L00 | Staphylococcal scalded skin syndrome | |
| Schamberg's | L81.7 | Pigmented purpuric dermatosis | |
| schistosome | B65.3 | Cercarial dermatitis | |
| seasonal bullous | L30.8 | Other specified dermatitis | |
| seborrheic | L21.9 | Seborrheic dermatitis, unspecified | |
| sensitization NOS | L23.9 | Allergic contact dermatitis, unspecified cause | |
| septic | L08.0 | Pyoderma | |
| solare | L57.8 | Other skin changes due to chronic exposure to nonionizing radiation | |
| specified NEC | L30.8 | Other specified dermatitis | |
| stasis | I87.2 | Venous insufficiency (chronic) (peripheral) | |
| suppurative | L08.0 | Pyoderma | |
| traumatic NEC | L30.4 | Erythema intertrigo | |
| trophoneurotica | L13.0 | Dermatitis herpetiformis | |
| ultraviolet | L57.8 | Other skin changes due to chronic exposure to nonionizing radiation | |
| vegetans | L10.1 | Pemphigus vegetans | |
| verrucosa | B43.0 | Cutaneous chromomycosis | |
| vesicular, herpesviral | B00.1 | Herpesviral vesicular dermatitis |
Dermatitis actinic
| other than from sun | L59.8 | Other specified disorders of the skin and subcutaneous tissue related to radiation |
Dermatitis artefacta
| psychogenic | F54 | Psychological and behavioral factors associated with disorders or diseases classified elsewhere |
Dermatitis atopic
Dermatitis bullous, bullosa
Dermatitis contact
Dermatitis due to
| acetone | L24.2 | Irritant contact dermatitis due to solvents | |
| acids | L24.5 | Irritant contact dermatitis due to other chemical products | |
| adhesive | L23.1 | Allergic contact dermatitis due to adhesives | |
| alcohol | L24.2 | Irritant contact dermatitis due to solvents | |
| alkalis | L24.5 | Irritant contact dermatitis due to other chemical products | |
| arsenic | L27.8 | Dermatitis due to other substances taken internally | |
| carbon disulfide | L24.2 | Irritant contact dermatitis due to solvents | |
| caustics | L24.5 | Irritant contact dermatitis due to other chemical products | |
| cement | L25.3 | Unspecified contact dermatitis due to other chemical products | |
| cereal | L27.2 | Dermatitis due to ingested food | |
| chemicalNEC | L25.3 | Unspecified contact dermatitis due to other chemical products | |
| chlorocompounds | L24.2 | Irritant contact dermatitis due to solvents | |
| chromium | L24.81 | Irritant contact dermatitis due to metals | |
| coffee | L27.2 | Dermatitis due to ingested food | |
| cold weather | L30.8 | Other specified dermatitis | |
| cosmetics | L25.0 | Unspecified contact dermatitis due to cosmetics | |
| cyclohexanes | L24.2 | Irritant contact dermatitis due to solvents | |
| dander | L23.81 | Allergic contact dermatitis due to animal (cat) (dog) dander | |
| Demodex species | B88.01 | Infestation by Demodex mites | |
| Dermanyssus gallinae | B88.09 | Other acariasis | |
| detergents | L24.0 | Irritant contact dermatitis due to detergents | |
| dichromate | L24.81 | Irritant contact dermatitis due to metals | |
| drugs and medicaments | L27.0 | Generalized skin eruption due to drugs and medicaments taken internally | |
| dyes | L25.2 | Unspecified contact dermatitis due to dyes | |
| esters | L24.2 | Irritant contact dermatitis due to solvents | |
| external irritant NEC | L24.9 | Irritant contact dermatitis, unspecified cause | |
| exudate | L24.A9 | Irritant contact dermatitis due friction or contact with other specified body fluids | |
| fish | L27.2 | Dermatitis due to ingested food | |
| flour | L27.2 | Dermatitis due to ingested food | |
| food | L27.2 | Dermatitis due to ingested food | |
| fruit | L27.2 | Dermatitis due to ingested food | |
| furs | L23.81 | Allergic contact dermatitis due to animal (cat) (dog) dander | |
| glycols | L24.2 | Irritant contact dermatitis due to solvents | |
| greases NEC | L24.1 | Irritant contact dermatitis due to oils and greases |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources