T70.20
Non-billableUnspecified effects of high altitude
Unspecified effects of high altitude
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- polycythemia due to high altitude (D75.1)
Use Additional Code
Additional codes that should follow this code
- code to identify any retained foreign body, if applicable (Z18.-)
Child Codes (3)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for unspecified effects of high altitude?
The ICD-10-CM code for unspecified effects of high altitude is T70.20. The full clinical description is "Unspecified effects of high altitude". T70.20 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T70.20 mean?
ICD-10-CM code T70.20 represents "Unspecified effects of high altitude". It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is T70.20 a billable code?
No, T70.20 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under T70.20.
What chapter is T70.20 in?
T70.20 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T70.20?
T70.20 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).
What are the subcategories under T70.20?
T70.20 has 3 child codes, including: T70.20XA (Unspecified effects of high altitude, initial encounter), T70.20XD (Unspecified effects of high altitude, subsequent encounter), T70.20XS (Unspecified effects of high altitude, sequela).
Are additional codes required with T70.20?
Yes, when using T70.20 you should also code: code to identify any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for T70.20?
T70.20 is linked to 1 UMLS Concept Unique Identifier: C2886298. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.