Valid for Submission
L13.9 is a billable diagnosis code used to specify a medical diagnosis of bullous disorder, unspecified. The code L13.9 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
The ICD-10-CM code L13.9 might also be used to specify conditions or terms like bullous dermatosis, bullous eruption, bullous eruption of hand, bullous eruption of pharynx, bullous insect bite reaction , bullous wheal, etc.
Unspecified diagnosis codes like L13.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code L13.9 are found in the index:
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Bullous dermatosis
- Bullous eruption
- Bullous eruption of hand
- Bullous eruption of pharynx
- Bullous insect bite reaction
- Bullous wheal
- Insect bite reaction
- Intraepidermal bullous dermatosis
- Nail dystrophy associated with bullous dermatoses
- Neonatal bullous dermatosis due to maternal antibodies
- Neonatal sucking blisters
Diagnostic Related Groups - MS-DRG Mapping
|MS-DRG||MS-DRG Title||MCD||Relative Weight|
|595||MAJOR SKIN DISORDERS WITH MCC||09||2.0121|
|596||MAJOR SKIN DISORDERS WITHOUT MCC||09||0.9892|
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.
Convert L13.9 to ICD-9 Code
Information for Patients
Your skin is your body's largest organ. It covers and protects your body. Your skin
- Holds body fluids in, preventing dehydration
- Keeps harmful microbes out, preventing infections
- Helps you feel things like heat, cold, and pain
- Keeps your body temperature even
- Makes vitamin D when the sun shines on it
Anything that irritates, clogs, or inflames your skin can cause symptoms such as redness, swelling, burning, and itching. Allergies, irritants, your genetic makeup, and certain diseases and immune system problems can cause rashes, hives, and other skin conditions. Many skin problems, such as acne, also affect your appearance.
NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases
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