2021 ICD-10-CM Diagnosis Code T70.20XS

Unspecified effects of high altitude, sequela

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • T70.20XS is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM T70.20XS became effective on October 1, 2020.
  • This is the American ICD-10-CM version of T70.20XS - other international versions of ICD-10 T70.20XS may differ.
The following code(s) above T70.20XS contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T70.20XS:
  • S00-T88
    2021 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    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
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • T70.2
    ICD-10-CM Diagnosis Code T70.2

    Other and unspecified effects of high altitude

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • polycythemia due to high altitude (D75.1)
    Other and unspecified effects of high altitude
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • T70.20XS is considered exempt from POA reporting.
ICD-10-CM T70.20XS is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 922 Other injury, poisoning and toxic effect diagnoses with mcc
  • 923 Other injury, poisoning and toxic effect diagnoses without mcc

Convert T70.20XS to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To T70.20XS
T70.0XXD …… subsequent encounter
T70.0XXS …… sequela
T70.1 Sinus barotrauma
T70.1XXA …… initial encounter
T70.1XXD …… subsequent encounter
T70.1XXS …… sequela
T70.2 Other and unspecified effects of high altitude
T70.20 Unspecified effects of high altitude
T70.20XA …… initial encounter
T70.20XD …… subsequent encounter
T70.20XS …… sequela
T70.29 Other effects of high altitude
T70.29XA …… initial encounter
T70.29XD …… subsequent encounter
T70.29XS …… sequela
T70.3 Caisson disease [decompression sickness]
T70.3XXA …… initial encounter
T70.3XXD …… subsequent encounter
T70.3XXS …… sequela
T70.4 Effects of high-pressure fluids
T70.4XXA …… initial encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.