Table 9 Examples of matches between nature codes and sequelae[25, 27]

012 Fractures

Fractures: face bones; vertebral column; rib or sternum; pelvis; clavicle, scapula, or humerus; ulna or radius; hand bones; femur; patella, tibia, or fibula; ankle; foot bones; skull

Match.

043 Bruises - Contusions

Open wound

Sequela for bruises and contusions is not available. Assumption: sequela for open wound represents nature code.

097 Nonspecified Injuries and Disorders

Low back pain: episode of limiting low back pain and episode of intervertebral disc displacement of herniation

Nonspecified injuries include low back pain. Assumption: sequelae represent nature code.

180 Disorders of the Skin and Subcutaneous Tissue, Unspecified

Skin diseases, cases

The use of the term “unspecified” in the nature code means that there was no mention of a specific injury to the worker’s body. Assumption: sequela represents nature code

416 Symptoms Involving Respiratory System and Chest

Ischemic heart disease: angina pectoris

Nature code describes symptoms to include chest pain. Assumption: sequela represents nature code.

521 Anxiety, Stress, Neurotic Disorders

Panic disorder, cases; Post-traumatic stress disorder, cases; Obsessive-compulsive disorder, cases

Match.