T70.29

Other effects of high altitude

Requires 7th character

T70.29 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Applicable to

  • Alpine sickness
  • Anoxia due to high altitude
  • Barotrauma NOS
  • Hypobaropathy
  • Mountain sickness

Includes (from T70)

  • Note: 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
  • Note: 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.

Excludes2

Not included here — may be reported together when both conditions exist.

Use additional code

Add a code to identify the following, if applicable.

  • code to identify any retained foreign body, if applicable (Z18.-) (from T70)

Code also

An additional code may be needed.

  • , if applicable, place of occurrence, such as: (from T70)
  • highway rest stop (Y92.523) (from T70)
  • school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-) (from T70)
  • service areas as the place of occurrence of the external cause (Y92.52-) (from T70)
  • single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-) (from T70)
  • transport vehicle as the place of occurrence of the external cause (Y92.81-) (from T70)

7th character

This code requires a 7th character (defined at T70). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Also known as

  • Alpine sickness
  • Anoxia due to high altitude
  • Barotrauma NOS
  • Hypobaropathy
  • Mountain sickness
  • Acosta's disease
  • Aerodontalgia
  • Andes disease
  • Anoxia, altitude
  • Anoxia, due to high altitude
  • Barodontalgia
  • Barotrauma
  • Barotrauma, odontalgia
  • Disease, diseased, Acosta's
  • Disease, diseased, alpine
  • Disease, diseased, Andes
  • Disease, diseased, Monge's
  • Edema, edematous, lung, due to high altitude
  • Effect, adverse, high altitude NEC

Parent code

  • T70.2Other and unspecified effects of high altitudeNeeds 7th char

More specific codes T70.29

  • T70.29XAOther effects of high altitude, initial encounterBillable
  • T70.29XDOther effects of high altitude, subsequent encounterBillable
  • T70.29XSOther effects of high altitude, sequelaBillable

Related codes

  • T70.20Unspecified effects of high altitudeNeeds 7th char

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