F42.4 — Excoriation (skin-picking) disorder
Is F42.4 billable?
Yes — F42.4 is billable for FY2027. F42.4 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. F42.4 may be submitted for encounters from October 1, 2026 through September 30, 2027.
F42.4 at a glance
| Code | F42.4 |
|---|---|
| Description | Excoriation (skin-picking) disorder |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does F42.4 group to?
F42.4 sits in MDC 19 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 882Neuroses Except Depressivemedical
How is F42.4 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to F42.4. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Excoriation › skin picking disorder (traumatic)
- Disorder › skin › picking (of)
Excludes1 — never code together
The conditions below can never be reported together with F42.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 5
The conditions below are not part of F42.4, but a patient may have both at the same time. When documentation supports it, F42.4 and the excluded code may both be reported.
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Excludes2 — not included here — inherited from F42
The conditions below are not part of F42.4, but a patient may have both at the same time. When documentation supports it, F42.4 and the excluded code may both be reported.
How long has F42.4 existed?
F42.4 first appears in FY2018 (FY2017 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with F42.4?
ICD-10-CM declares these codes mutually exclusive with F42.4 — exactly one of each pair can be correct for a given encounter.