R78
Non-billableFind of drugs and oth substnc, not normally found in blood
Findings of drugs and other substances, not normally found in blood
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
R70-R79
Child Codes
10
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- abnormal findings on antenatal screening of mother (O28.-)
- certain conditions originating in the perinatal period (P04-P96)
- signs and symptoms classified in the body system chapters
- signs and symptoms of breast (N63, N64.5)
- 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)
- mental or behavioral disorders due to psychoactive substance use (F10-F19)
Use Additional Code
Additional codes that should follow this code
- code to identify the any retained foreign body, if applicable (Z18.-)
Child Codes (10)
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 blood
R78.8Finding of oth substances, not normally found in blood
R78.9Finding of unsp substance, not normally found in blood
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code R78?
ICD-10-CM code R78 represents "Findings of drugs and other substances, not normally found in blood". It is a non-billable header code — use a more specific child code for billing purposes.
Is R78 a billable code?
No, R78 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under R78.
What chapter is R78 in?
R78 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What are the subcategories under R78?
R78 has 10 child codes, including: R78.0 (Finding of alcohol in blood), R78.1 (Finding of opiate drug in blood), R78.2 (Finding of cocaine in blood), R78.3 (Finding of hallucinogen in blood), and 6 more.
Are additional codes required with R78?
Yes, when using R78 you should also code: code to identify the any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for R78?
R78 is linked to 1 UMLS Concept Unique Identifier: C0476493. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.