The term cellulitis is commonly used to indicate a nonnecrotizing inflammation of the skin and subcutaneous tissues, a process usually related to acute infection that does not involve the fascia or muscles. Cellulitis is characterized by localized pain, swelling, tenderness, erythema, and warmth.
The regions on chromosomes 7 and 12 may coincide with the asthma and atopy loci on the same chromosomes. Polymorphism in the IL1 cluster on chromosome 2 has also been shown to influence the severity of the disease (95, 96).
ICD-9-CM category code 493 Asthma has a fourth digit specifying the type of asthma (extrinsic, intrinsic, chronic obstructive, and unspecified) and a fifth digits delineating the presence or the absence of status asthmaticus or an acute exacerbation.