S20.142D — External constriction of part of breast, left breast, subsequent encounter
Is S20.142D billable?
Yes — S20.142D is billable for FY2027. S20.142D is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S20.142D may be submitted for encounters from October 1, 2026 through September 30, 2027.
S20.142D at a glance
| Code | S20.142D |
|---|---|
| Description | External constriction of part of breast, left breast, 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 S20.142D?
In S20.142D, the 7th character D means subsequent encounter. The 7th character is required for S20.142D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S20.142D group to?
S20.142D 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 S20.142D listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S20.14, the nearest indexed parent of S20.142D. Use them to find the family, then select the specific code.
- Constriction › external › breast
Use additional code — inherited from Chapter 19
Report an additional code alongside S20.142D to fully describe the condition. S20.142D 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 S20.142D, but a patient may have both at the same time. When documentation supports it, S20.142D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S20-S29
The conditions below are not part of S20.142D, but a patient may have both at the same time. When documentation supports it, S20.142D 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)
How long has S20.142D existed?
S20.142D 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.