S25.409D — Unspecified injury of unspecified pulmonary blood vessels, subsequent encounter
Is S25.409D billable?
Yes, but S25.409D is an unspecified code. S25.409D is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S25.409D is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting S25.409D — the more specific alternatives are listed below.
S25.409D at a glance
| Code | S25.409D |
|---|---|
| Description | Unspecified injury of unspecified pulmonary blood vessels, 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 S25.409D?
In S25.409D, the 7th character D means subsequent encounter. The 7th character is required for S25.409D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S25.409D group to?
S25.409D 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 S25.409D listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S25.40, the nearest indexed parent of S25.409D. Use them to find the family, then select the specific code.
- Injury › blood vessel NEC › thoracic › pulmonary
Use additional code — inherited from Chapter 19
Report an additional code alongside S25.409D to fully describe the condition. S25.409D 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 S25.409D, but a patient may have both at the same time. When documentation supports it, S25.409D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S20-S29
The conditions below are not part of S25.409D, but a patient may have both at the same time. When documentation supports it, S25.409D and the excluded code may both be reported.
- burns and corrosions (T20-T32)
- effects of foreign body in bronchus (T17.5)
- effects of foreign body in esophagus (T18.1)
- effects of foreign body in lung (T17.8)
- effects of foreign body in trachea (T17.4)
- frostbite (T33-T34)
- injuries of axilla
- injuries of clavicle
- injuries of scapular region
- injuries of shoulder
- insect bite or sting, venomous (T63.4)
Code also — inherited from S25
Two codes may be needed to describe the condition fully. Whether S25.409D is sequenced first depends on the reason for the encounter.
- any associated open wound (S21.-)
How long has S25.409D existed?
S25.409D 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.