L13.9
BillableBullous disorder, unspecified
Bullous disorder, unspecified
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •lipomelanotic reticulosisI89.8
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •viral wartsB07
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(91)
SNOMED CT
- Bullous dermatitis7231009
- Bullous dermatoses7231009
- Bullous dermatosis7231009
- Hives247472004
- Nettle rash247472004
- Urticarial rash247472004
- Weal247472004
- Welt247472004
- Wheal247472004
- Bullous eruption of hand254175006
- Bullous rash of hand254175006
- Bullous eruption271759003
- Bullous weal298139006
- Bullous wheal298139006
- Bullous eruption of pharynx308213003
- Bullous rash of pharynx308213003
- Insect bite reaction402150002
- Bullous insect bite reaction403148000
- Nail dystrophy associated with bullous dermatoses403294009
- Neonatal bullous dermatosis caused by maternal antibodies403846004
- Neonatal herpes gestationis403846004
- Neonatal pemphigoid gestationis403846004
- Transplacental herpes gestationis403846004
- Neonatal sucking blisters403853008
- Intraepidermal bullous dermatosis707210006
UMLS
- BULLOUS SKIN DISC0085932
- Bullous DermatitisC0085932
- Bullous DermatosesC0085932
- Bullous Skin DiseaseC0085932
- Bullous Skin DiseasesC0085932
- Bullous dermatitisC0085932
- Bullous dermatosesC0085932
- Bullous dermatosisC0085932
- Bullous dermatosis (disorder)C0085932
- Bullous disorderC0085932
- Bullous disorder, unspecifiedC0085932
- Bullous disorders (L10-L14)C0085932
- Dermatitis bullousC0085932
- Dermatoses, BullousC0085932
- Dermatosis bullousC0085932
- SKIN DIS BULLOUSC0085932
- Skin Disease, BullousC0085932
- Skin Diseases, BullousC0085932
- bullous dermatitisC0085932
- bullous dermatosesC0085932
- bullous dermatosisC0085932
- bullous disordersC0085932
- bullous skin diseaseC0085932
- bullous skin disorderC0085932
- dermatitis bullousC0085932
- dermatoses bullousC0085932
- dermatosis bullousC0085932
Clinical Terms
- Intraepidermal bullous dermatosis
- Nettle rash
- Bullous wheal
- Neonatal bullous dermatosis caused by maternal antibodies
- Bullous dermatoses
- bullous dermatosis
- Bullous eruption
- Bullous disorders (L10-L14)
- Transplacental herpes gestationis
- Urticarial rash
- dermatoses bullous
- bullous skin disorder
- Dermatitis bullous
- Bullous Dermatitis
- Neonatal sucking blisters
- dermatosis bullous
- Weal
- Bullous dermatosis (disorder)
- Nail dystrophy associated with bullous dermatoses
- Bullous Skin Diseases
- Bullous Skin Disease
- Bullous eruption of hand
- Bullous eruption of pharynx
- Neonatal herpes gestationis
- bullous disorders
- Bullous rash of hand
- SKIN DIS BULLOUS
- Skin Diseases, Bullous
- Bullous insect bite reaction
- Dermatoses, Bullous
- Insect bite reaction
- Welt
- Wheal
- Neonatal pemphigoid gestationis
- Hives
- BULLOUS SKIN DIS
- Bullous weal
- Bullous rash of pharynx
- Skin Disease, Bullous
Frequently Asked Questions
What is the ICD-10 code for bullous disorder, unspecified?
The ICD-10-CM code for bullous disorder, unspecified is L13.9. The full clinical description is "Bullous disorder, unspecified". L13.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L13.9 mean?
ICD-10-CM code L13.9 represents “Bullous disorder, unspecified”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a billable/specific code that can be used on a claim.
Is L13.9 a billable code?
Yes, L13.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L13.9 in?
L13.9 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L13.9?
L13.9 has Excludes1 notes indicating codes that cannot be used together with it, including: benign familial pemphigus [Hailey-Hailey] (Q82.8); staphylococcal scalded skin syndrome (L00); toxic epidermal necrolysis [Lyell] (L51.2).
What SNOMED CT codes does L13.9 map to?
L13.9 maps to 12 SNOMED CT concepts: 7231009, 271759003, 254175006, 308213003, 403148000, and 7 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L13.9?
L13.9 is linked to 1 UMLS Concept Unique Identifier: C0085932. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L13.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like bullous disorder, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of L13.9?
L13.9 maps to the ICD-11 code: ME63.3 (Chronic blistering skin disorder).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.