ICD-10-CM > F01-F99 > F50-F59 > F54 F54 Psychological and behavioral factors associated with disorders or diseases classified elsewhere Billable/Specific Copy Code Copy Description Applicable To Psychological factors affecting physical conditions Code First the associated physical disorder, such as:asthma (J45.-)dermatitis (L23-L25)gastric ulcer (K25.-)mucous colitis (K58.-)ulcerative colitis (K51.-)urticaria (L50.-) Type 2 Excludes tension-type headache (G44.2)