R78.8 — Finding of other specified substances, not normally found in blood
Is R78.8 billable?
No — R78.8 is a non-billable header code. R78.8 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 2 billable codes beneath R78.8.
Billable codes under this header
R78.8 at a glance
| Code | R78.8 |
|---|---|
| Description | Finding of other specified substances, not normally found in blood |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Use additional code — inherited from R78
Report an additional code alongside R78.8 to fully describe the condition. R78.8 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R78.8, but a patient may have both at the same time. When documentation supports it, R78.8 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R70-R79
The conditions below are not part of R78.8, but a patient may have both at the same time. When documentation supports it, R78.8 and the excluded code may both be reported.
- abnormal findings on antenatal screening of mother (O28.-)
- abnormalities of lipids (E78.-)
- abnormalities of platelets and thrombocytes (D69.-)
- abnormalities of white blood cells classified elsewhere (D70-D72)
- coagulation hemorrhagic disorders (D65-D68)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- hemorrhagic and hematological disorders of newborn (P50-P61)
Excludes2 — not included here — inherited from R78
The conditions below are not part of R78.8, but a patient may have both at the same time. When documentation supports it, R78.8 and the excluded code may both be reported.
- mental or behavioral disorders due to psychoactive substance use (F10-F19)
What codes fall under R78.8? (2)
How long has R78.8 existed?
R78.8 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.
What other codes are in the R78 family? (9)
- R78.0Finding of alcohol in blood
- R78.1Finding of opiate drug in blood
- R78.2Finding of cocaine in blood
- R78.3Finding of hallucinogen in blood
- R78.4Finding of other drugs of addictive potential in blood
- R78.5Finding of other psychotropic drug in blood
- R78.6Finding of steroid agent in blood
- R78.7Finding of abnormal level of heavy metals in bloodnot billable
- R78.9Finding of unspecified substance, not normally found in blood