L50.9
BillableUrticaria, unspecified
Urticaria, unspecified
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- Lyme disease (A69.2-)
- rosacea (L71.-)
- allergic contact dermatitis (L23.-)
- angioneurotic edema (T78.3)
- giant urticaria (T78.3)
- hereditary angio-edema (D84.1)
- Quincke's edema (T78.3)
- serum urticaria (T80.6-)
- solar urticaria (L56.3)
- urticaria neonatorum (P83.8)
- urticaria papulosa (L28.2)
- urticaria pigmentosa (D47.01)
Excludes 2
Conditions not included here, but the patient may have both
- 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.-)
Also Known As / Clinical Terms
SNOMED CT
- Urticarial skin test reaction68128000
- Injection site edema95392007
- Injection site oedema95392007
- Injection site urticaria95394008
- Urticaria126485001
- Hives247472004
- Nettle rash247472004
- Urticarial rash247472004
- Weal247472004
- Welt247472004
- Wheal247472004
- Acute urticaria402408009
- Angio-oedema and/or urticaria404177007
- Angioedema and/or urticaria404177007
UMLS
- HivesC0042109
- Rash urticarialC0042109
- Unspecified urticariaC0042109
- UrticariaC0042109
- Urticaria (disorder)C0042109
- Urticaria (morphologic abnormality)C0042109
- Urticaria NOSC0042109
- Urticaria, unspecifiedC0042109
- Urticarial WhealC0042109
- Urticarial WhealsC0042109
- Urticarial rashC0042109
- UrticariasC0042109
- Urticated rashC0042109
- UrticationC0042109
- Wheal, UrticarialC0042109
- Wheals, UrticarialC0042109
- hiveC0042109
- hivedC0042109
- hivesC0042109
- hivingC0042109
- nettle rashC0042109
- nettles rashC0042109
- rash nettleC0042109
- urticariaC0042109
- urticaria nosC0042109
- urticarialC0042109
- urticarial rashC0042109
- urticariasC0042109
- weltC0042109
Frequently Asked Questions
What is ICD-10 code L50.9?
ICD-10-CM code L50.9 represents "Urticaria, unspecified". It is a billable/specific code that can be used on a claim.
Is L50.9 a billable code?
Yes, L50.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L50.9 in?
L50.9 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L50.9?
L50.9 has Excludes1 notes indicating codes that cannot be used together with it, including: Lyme disease (A69.2-); rosacea (L71.-); allergic contact dermatitis (L23.-); and 9 more.
What SNOMED CT codes does L50.9 map to?
L50.9 maps to 7 SNOMED CT concepts: 402408009, 404177007, 247472004, 95392007, 95394008, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L50.9?
L50.9 is linked to 1 UMLS Concept Unique Identifier: C0042109. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.