R78.7 – Finding of abnormal level of heavy metals in blood
ICD-10-CM 2027 diagnosis code · Abnormal findings on examination of blood, without diagnosis
- Code
R78.7(claims format:R787)- Description
- Finding of abnormal level of heavy metals in blood
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R70-R79 Abnormal findings on examination of blood, without diagnosis
- Parent codes
- R78
Billable codes under R78.7
R78.7 is a header code and cannot be used on claims. Choose the most specific code:
- R78.71 – Abnormal lead level in bloodBillable
- R78.72 – Abnormal gadolinium level in bloodBillable · New in 2027
- R78.79 – Finding of abnormal level of heavy metals in bloodBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
R78 – Findings of drugs and other substances, not normally found in blood
- code to identify any retained foreign body, if applicable (Z18.-)
Block R70-R79
- 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)
Related codes in R78
- R78.0 – Finding of alcohol in bloodBillable
- R78.1 – Finding of opiate drug in bloodBillable
- R78.2 – Finding of cocaine in bloodBillable
- R78.3 – Finding of hallucinogen in bloodBillable
- R78.4 – Finding of other drugs of addictive potential in bloodBillable
- R78.5 – Finding of other psychotropic drug in bloodBillable
- R78.6 – Finding of steroid agent in bloodBillable
- R78.8 – Finding of other specified substances, not normally found in bloodHeader
- R78.9 – Finding of unspecified substance, not normally found in bloodBillable
Frequently asked questions
What is ICD-10 code R78.7?
R78.7 is the ICD-10-CM code for finding of abnormal level of heavy metals in blood, in the block R70-R79 (Abnormal findings on examination of blood, without diagnosis).
Is R78.7 a billable code?
No. R78.7 is a header code with more specific child codes; report one of the billable codes listed above.
What category does R78.7 belong to?
It belongs to category R78 – Findings of drugs and other substances, not normally found in blood.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.