T70.4XXA Guidelines & Instructional Notes: Effects of high-pressure fluids, initial encounter

Instruction Source: T70.4XXA

Effects of high-pressure fluids, initial encounter

Instruction Source: T70.4

Effects of high-pressure fluids

Instruction Source: T70

Effects of air pressure and water pressure

Instruction Source: T66-T78

Other and unspecified effects of external causes (T66-T78)

Instruction Source: S00-T88

Injury, poisoning and certain other consequences of external causes

Excludes 2 (Not Included Here)

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code