All ICD10 Codes

R78

Non-Billable
ChapterR00–R99
Rankcategory
Official Description

Findings of drugs and other substances, not normally found in blood

Use a more specific code (8 billable, 2 non-billable)
R78.0Finding of alcohol in bloodR78.1Finding of opiate drug in bloodR78.2Finding of cocaine in bloodR78.3Finding of hallucinogen in bloodR78.4Finding of other drugs of addictive potential in bloodR78.5Finding of other psychotropic drug in bloodR78.6Finding of steroid agent in bloodR78.7Finding of abnormal level of heavy metals in bloodhas subcodesR78.8Finding of other specified substances, not normally found in bloodhas subcodesR78.9Finding of unspecified substance, not normally found in blood
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

R70-R79 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • mental or behavioral disorders due to psychoactive substance use (F10-F19)
Use Additional Code
  • code to identify the any retained foreign body, if applicable (Z18.-)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R70-R79Abnormal findings on examination of blood, without diagnosis (R70-R79)
R78Findings of drugs and other substances, not normally found in bloodNot billable
R78.0Finding of alcohol in bloodBillable
R78.1Finding of opiate drug in bloodBillable
R78.2Finding of cocaine in bloodBillable
R78.3Finding of hallucinogen in bloodBillable
R78.4Finding of other drugs of addictive potential in bloodBillable
R78.5Finding of other psychotropic drug in bloodBillable
R78.6Finding of steroid agent in bloodBillable
R78.7Finding of abnormal level of heavy metals in bloodSubcodes
R78.8Finding of other specified substances, not normally found in bloodSubcodes
R78.9Finding of unspecified substance, not normally found in bloodBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R78:

blockR70-R79
Abnormal findings on examination of blood, without diagnosis (R70-R79)
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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