T70.8XXD — Other effects of air pressure and water pressure, subsequent encounter
Is T70.8XXD billable?
Yes — T70.8XXD is billable for FY2027. T70.8XXD is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T70.8XXD may be submitted for encounters from October 1, 2026 through September 30, 2027.
T70.8XXD at a glance
| Code | T70.8XXD |
|---|---|
| Description | Other effects of air pressure and water pressure, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in T70.8XXD?
In T70.8XXD, the 7th character D means subsequent encounter. The 7th character is required for T70.8XXD to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T70.8XXD group to?
T70.8XXD sits in MDC 23 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 949Aftercare with CC/MCCmedical
- 950Aftercare without CC/MCCmedical
How is T70.8XXD listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T70.8, the nearest indexed parent of T70.8XXD. Use them to find the family, then select the specific code.
- Blast › injury › syndrome NEC (air) (hydraulic) (immersion) (underwater)
- Effect, adverse › air pressure › specified NEC
- Effect, adverse › atmospheric pressure › due to explosion
- Effect, adverse › atmospheric pressure › specified effect NEC
- Effect, adverse › water pressure NEC › specified NEC
- Injury › blastNEC › generalized
- Injury › blastNEC › multiple body organs
Use additional code — inherited from Chapter 19
Report an additional code alongside T70.8XXD to fully describe the condition. T70.8XXD is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T70.8XXD, but a patient may have both at the same time. When documentation supports it, T70.8XXD and the excluded code may both be reported.
Code also — inherited from T66-T78
Two codes may be needed to describe the condition fully. Whether T70.8XXD is sequenced first depends on the reason for the encounter.
- , 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-)
How long has T70.8XXD existed?
T70.8XXD has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.