P04.18 — Newborn affected by other maternal medication
Is P04.18 billable?
Yes — P04.18 is billable for FY2027. P04.18 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. P04.18 may be submitted for encounters from October 1, 2026 through September 30, 2027.
P04.18 at a glance
| Code | P04.18 |
|---|---|
| Description | Newborn affected by other maternal medication |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does P04.18 group to?
P04.18 sits in MDC 15 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.
- 794Neonate with Other Significant Problemsmedical
How is P04.18 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to P04.18. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Newborn › affected by › maternal › medication › specified type NEC (infant) (liveborn) (singleton)
Excludes1 — never code together — inherited from P04.1
The conditions below can never be reported together with P04.18 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Code first — inherited from P04
The underlying condition below must be sequenced before P04.18. P04.18 describes a manifestation and cannot be the principal or first-listed diagnosis.
- any current condition in newborn, if applicable
Code first — inherited from P04.1
The underlying condition below must be sequenced before P04.18. P04.18 describes a manifestation and cannot be the principal or first-listed diagnosis.
Excludes2 — not included here — inherited from Chapter 16
The conditions below are not part of P04.18, but a patient may have both at the same time. When documentation supports it, P04.18 and the excluded code may both be reported.
Excludes2 — not included here — inherited from P04
The conditions below are not part of P04.18, but a patient may have both at the same time. When documentation supports it, P04.18 and the excluded code may both be reported.
- congenital malformations (Q00-Q99)
- encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
- neonatal jaundice from excessive hemolysis due to drugs or toxins transmitted from mother (P58.4)
- newborn in contact with and (suspected) exposures hazardous to health not transmitted via placenta or breast milk (Z77.-)
Excludes2 — not included here — inherited from P04.1
The conditions below are not part of P04.18, but a patient may have both at the same time. When documentation supports it, P04.18 and the excluded code may both be reported.
How long has P04.18 existed?
P04.18 first appears in FY2019.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the P04.1 family? (9)
- P04.11Newborn affected by maternal antineoplastic chemotherapy
- P04.12Newborn affected by maternal cytotoxic drugs
- P04.13Newborn affected by maternal use of anticonvulsants
- P04.14Newborn affected by maternal use of opiates
- P04.15Newborn affected by maternal use of antidepressants
- P04.16Newborn affected by maternal use of amphetamines
- P04.17Newborn affected by maternal use of sedative-hypnotics
- P04.1ANewborn affected by maternal use of anxiolytics
- P04.19Newborn affected by maternal use of unspecified medication