Diaper dermatitis
In Dermatitis and eczema (L20-L30), chapter 12: Diseases of the Skin and Subcutaneous Tissue
- L22 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under L20-L30 below.
- As a secondary diagnosis it is not a CC or MCC, so it doesn't raise the MS-DRG payment.
- Doesn't count toward a Medicare Advantage risk score (no HCC in V28).
- AHRQ's Chronic Condition Indicator classes it as not chronic (an acute or short-term condition).
Also indexed as: Dermatitis, ammonia; Dermatitis, diaper; Dermatitis, Jacquet's; Dermatitis, napkin; Diaper rash; Eruption, napkin; Erythema, diaper; Erythema, gluteal; Erythema, napkin; Jacquet's dermatitis; Napkin rash; Rash, diaper; Rash, napkin
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Instructional notes
Includes: conditions that are coded here
- Diaper erythema
- Diaper rash
- Psoriasiform diaper rash
Also applies, from Dermatitis and eczema (L20-L30)
These notes sit on L20-L30 and apply to every code under it, including L22.
Excludes2: not included here, code separately if applicable
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers assigning pressure ulcer codes by site and stage, including unstageable, healing, healed, and progressing ulcers, and coding healing or progressing non-pressure chronic ulcers.
- Pressure ulcer stage codes (page 58)
- Non-Pressure Chronic Ulcers (page 60)
Other codes under L20-L30
Dermatitis and eczema (L20-L30)
- L20Atopic dermatitis
- L21Seborrheic dermatitis
- L22Diaper dermatitis(this code)
- L23Allergic contact dermatitis
- L24Irritant contact dermatitis
- L25Unspecified contact dermatitis
- L26Exfoliative dermatitis
- L27Dermatitis due to substances taken internally
- L28Lichen simplex chronicus and prurigo
- L29Pruritus
- L30Other and unspecified dermatitis
L22 MS-DRGs
As the principal diagnosis, L22 groups to MS-DRG 606, 607, or 795 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
Related conditions
Grouped by AHRQ's Clinical Classifications Software Refined (CCSR), which sorts every diagnosis code into clinically meaningful categories.
L22 is in Contact dermatitis (SKN005, its default category), with 49 codes. Others in it:
- L23.0 Allergic contact dermatitis due to metals
- L23.1 Allergic contact dermatitis due to adhesives
- L23.2 Allergic contact dermatitis due to cosmetics
- L23.3 Allergic contact dermatitis due to drugs in contact with skin
- L23.4 Allergic contact dermatitis due to dyes
- L23.5 Allergic contact dermatitis due to other chemical products
- L23.6 Allergic contact dermatitis due to food in contact with the skin
- L23.7 Allergic contact dermatitis due to plants, except food
Other codes that refer to L22
Notes on these codes point to L22.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Common Infant and Newborn Problems
It is hard when your baby is sick. Common health problems in babies include colds, coughs, fevers, and vomiting. Babies also commonly have skin problems, like diaper rash or cradle cap.
Read more about common infant and newborn problems on MedlinePlusRashes
A rash is an area of irritated or swollen skin. Many rashes are itchy, red, painful, and irritated. Some rashes can also lead to blisters or patches of raw skin. Rashes are a symptom of many different medical problems. Other causes include irritating substances and allergies. Certain genes can make people more likely to get rashes.
Read more about rashes on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
ICD-9-CM equivalent
Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).
- 691.0 Diaper or napkin rash