R79
Non-billableOther abnormal findings of blood chemistry
Other abnormal findings of blood chemistry
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
4
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- asymptomatic hyperuricemia (E79.0)
- hyperglycemia NOS (R73.9)
- hypoglycemia NOS (E16.2)
- neonatal hypoglycemia (P70.3-P70.4)
- specific findings indicating disorder of amino-acid metabolism (E70-E72)
- specific findings indicating disorder of carbohydrate metabolism (E73-E74)
- specific findings indicating disorder of lipid metabolism (E75.-)
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)
Use Additional Code
Additional codes that should follow this code
- code to identify any retained foreign body, if applicable (Z18.-)
Child Codes (4)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code R79?
ICD-10-CM code R79 represents "Other abnormal findings of blood chemistry". It is a non-billable header code — use a more specific child code for billing purposes.
Is R79 a billable code?
No, R79 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under R79.
What chapter is R79 in?
R79 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R79?
R79 has Excludes1 notes indicating codes that cannot be used together with it, including: asymptomatic hyperuricemia (E79.0); hyperglycemia NOS (R73.9); hypoglycemia NOS (E16.2); and 4 more.
What are the subcategories under R79?
R79 has 4 child codes, including: R79.0 (Abnormal level of blood mineral), R79.1 (Abnormal coagulation profile), R79.8 (Other specified abnormal findings of blood chemistry), R79.9 (Abnormal finding of blood chemistry, unspecified).
Are additional codes required with R79?
Yes, when using R79 you should also code: code to identify any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for R79?
R79 is linked to 1 UMLS Concept Unique Identifier: C0495722. 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.