T70Non-billableSave
T70 - Effects of air pressure and water pressure
ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · T66-T78 Other and unspecified effects of external causes (T66-T78) · Top-level category · FY2027
Coding Guidance
T70 is a non-billable heading. Report one of the 7 more specific codes below.
7th Character
The appropriate 7th character is to be added to each code from category T70
- Ainitial encounter
- Dsubsequent encounter
- Ssequela
Includes, Excludes and Coding Notes
Code AlsoFrom T66-T78 Other and unspecified effects of external causes (T66-T78)
Report an additional code when both conditions apply.
- , if applicable, place of occurrence, such as:
- highway rest stop (Y92.523)
- school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
- service areas as the place of occurrence of the external cause (Y92.52-)
- single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
- transport vehicle as the place of occurrence of the external cause (Y92.81-)
Excludes 2 — Not Included HereFrom Chapter S00-T88
Not part of this code; report both codes when the patient has both conditions.
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Use Additional CodeFrom Chapter S00-T88
Add a secondary code to identify the associated condition or cause when it is documented.
- code to identify any retained foreign body, if applicable (Z18.-)
NotesFrom Chapter S00-T88
Instructional notes from the ICD-10-CM tabular list.
- 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
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
More Specific Codes (7)
T70.0Otitic barotraumaCategory→T70.1Sinus barotraumaCategory→T70.2Other and unspecified effects of high altitudeCategory→T70.3Caisson disease [decompression sickness]Category→T70.4Effects of high-pressure fluidsCategory→T70.8Other effects of air pressure and water pressureCategory→T70.9Effect of air pressure and water pressure, unspecifiedCategory→
Chapter Information
Chapter 19: Injury, poisoning and certain other consequences of external causes
Range: S00-T88
View full chapterRelated ICD-10 Codes
More specific codes for T70
Other categories in this chapter
Codes at the same level as T70
- Superficial injury of headS00
- Open wound of headS01
- Fracture of skull and facial bonesS02
- Dislocation and sprain of joints and ligaments of headS03
- Injury of cranial nerveS04
- Injury of eye and orbitS05
- Intracranial injuryS06
- Crushing injury of headS07
- Avulsion and traumatic amputation of part of headS08
- Other and unspecified injuries of headS09
- Superficial injury of neckS10
- Open wound of neckS11
- Fracture of cervical vertebra and other parts of neckS12
- Dislocation and sprain of joints and ligaments at neck levelS13
- Injury of nerves and spinal cord at neck levelS14
- Injury of blood vessels at neck levelS15
- Injury of muscle, fascia and tendon at neck levelS16
- Crushing injury of neckS17
- Other specified and unspecified injuries of neckS19
- Superficial injury of thoraxS20
- Open wound of thoraxS21
- Fracture of rib(s), sternum and thoracic spineS22
- Dislocation and sprain of joints and ligaments of thoraxS23
- Injury of nerves and spinal cord at thorax levelS24
- Injury of blood vessels of thoraxS25
- Injury of heartS26
- Injury of other and unspecified intrathoracic organsS27
- Crushing injury of thorax, and traumatic amputation of part of thoraxS28
- Other and unspecified injuries of thoraxS29
- Superficial injury of abdomen, lower back, pelvis and external genitalsS30
- Open wound of abdomen, lower back, pelvis and external genitalsS31
- Fracture of lumbar spine and pelvisS32
- Dislocation and sprain of joints and ligaments of lumbar spine and pelvisS33
- Injury of lumbar and sacral spinal cord and nerves at abdomen, lower back and pelvis levelS34
- Injury of blood vessels at abdomen, lower back and pelvis levelS35
- Injury of intra-abdominal organsS36
- Injury of urinary and pelvic organsS37
- Crushing injury and traumatic amputation of abdomen, lower back, pelvis and external genitalsS38
- Other and unspecified injuries of abdomen, lower back, pelvis and external genitalsS39
- Superficial injury of shoulder and upper armS40
130 more in this chapter.