2027 ICD-10-CM Diagnosis Code L22Diaper dermatitis
ICD-10-CM Codes›L00–L99›L20-L30›L22
- Billable — Valid for Submission
- Not Chronic
L22 is a billable ICD-10-CM diagnosis code for diaper dermatitis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 606 through 607, 795. Coders also document this condition as diaper candidiasis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Contact dermatitis.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Diaper candidiasis
- Diaper rash
- Infection of diaper area
- Neonatal dermatitis
- Neonatal perianal dermatitis
- Perianal dermatitis
- Psoriasiform dermatitis
- Psoriasiform napkin eruption
- Truncal seborrheic dermatitis
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to L22: its own notes plus those printed at block L20-L30 and Chapter 12. A note printed at a category, block or chapter applies to every code under it.
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Diaper erythema
- Diaper rash
- Psoriasiform diaper rash
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
Notes
General instructions on how these codes are used.
- In this block the terms dermatitis and eczema are used synonymously and interchangeably.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name L22, its category, or a range that includes it.
Excludes1 1
These codes carry an Excludes1 note naming L22: they are not reported together with it, unless the two conditions are unrelated.
- L24.A2 Irritant contact dermatitis due to fecal, urinary or dual incontinencediaper dermatitis (L22)
Excludes2 4
These codes carry an Excludes2 note naming L22: its condition is not part of those codes, and both may be reported when the patient has both.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Diaper rash L22
Napkin rash L22
diaper L22
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Diaper Rash
a type of irritant dermatitis localized to the area in contact with a diaper and occurring most often as a reaction to prolonged contact with urine, feces, or retained soap or detergent.
Patient EducationClinical
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 the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert L22 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About L22Overview
What is the ICD-10 code for diaper dermatitis?
The ICD-10-CM code for diaper dermatitis is L22. It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is L22 (Diaper dermatitis) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report diaper dermatitis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does L22 group to?
When diaper dermatitis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 795, 607, 606, with relative weights from 0.2022 to 1.5721 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of L22?
Under the General Equivalence Mappings, diaper dermatitis converts to ICD-9-CM 691.0 (diaper or napkin rash). The mapping is a direct match.
