Z05.1 — Observation and evaluation of newborn for suspected infectious condition ruled out
Is Z05.1 billable?
Yes — Z05.1 is billable for FY2027. Z05.1 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z05.1 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Z05.1 at a glance
| Code | Z05.1 |
|---|---|
| Description | Observation and evaluation of newborn for suspected infectious condition ruled out |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does Z05.1 group to?
Z05.1 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.
- 795Normal Newbornmedical
How is Z05.1 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z05.1. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Observation › newborn › suspected condition, related to exposure from the mother or birth process › ruled out › infectious (following) (for) (without need for further medical care)
Excludes2 — not included here — inherited from Z00-Z13
The conditions below are not part of Z05.1, but a patient may have both at the same time. When documentation supports it, Z05.1 and the excluded code may both be reported.
How long has Z05.1 existed?
Z05.1 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 conditions are coded to Z05.1?
What other codes are in the Z05 family? (9)
- Z05.0Observation and evaluation of newborn for suspected cardiac condition ruled out
- Z05.2Observation and evaluation of newborn for suspected neurological condition ruled out
- Z05.3Observation and evaluation of newborn for suspected respiratory condition ruled out
- Z05.4Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled outnot billable
- Z05.5Observation and evaluation of newborn for suspected gastrointestinal condition ruled out
- Z05.6Observation and evaluation of newborn for suspected genitourinary condition ruled out
- Z05.7Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled outnot billable
- Z05.8Observation and evaluation of newborn for other specified suspected condition ruled outnot billable
- Z05.9Observation and evaluation of newborn for unspecified suspected condition ruled out