R79.8
Non-Billable

Other specified abnormal findings of blood chemistry

Non-Billable / Non-Specific Code

What is Other specified abnormal findings of blood chemistry?

ICD-10-CM R79.8 is the diagnosis code for Other specified abnormal findings of blood chemistry. This code falls under the section "Abnormal findings on examination of blood, without diagnosis" within Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for R79.8

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where R79.8 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 4 entries
R79.81Abnormal blood-gas levelBillableR79.82Elevated C-reactive protein (CRP)BillableR79.83Abnormal findings of blood amino-acid levelBillableR79.89Other specified abnormal findings of blood chemistryBillable
Related Codes

Frequently Asked Questions

Is R79.8 a billable ICD-10-CM code?

No, R79.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does R79.8 mean?

R79.8 is the ICD-10-CM diagnosis code for "Other specified abnormal findings of blood chemistry". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of R79.8?

The parent code of R79.8 is R79 ("Other abnormal findings of blood chemistry"). R79.8 provides a more specific classification within this category.

What section is R79.8 in?

R79.8 is located in Section R70-R79 — "Abnormal findings on examination of blood, without diagnosis" within Chapter 18 of the ICD-10-CM Tabular List.

What are the sub-codes of R79.8?

R79.8 has 4 sub-code(s) that provide more specific detail: R79.81, R79.82, R79.83, R79.89.

When should I use R79.8?

Use R79.8 when the patients documented diagnosis matches "Other specified abnormal findings of blood chemistry" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other specified abnormal findings of blood chemistry?

The ICD-10-CM code for Other specified abnormal findings of blood chemistry is R79.8.

Can R79.8 be used for primary diagnosis?

No, R79.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is R79.8 in?

R79.8 is in Chapter 18 of the ICD-10-CM Tabular List.

Is R79.8 valid for 2026?

Yes, R79.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousR79.1Abnormal coagulation profileNext →R79.81Abnormal blood-gas level
Code Details
R79.8
Other specified abnormal findings of blood chemistry
Non-Billable / Non-Specific Code
18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R70-R79 — Abnormal findings on examination of blood, without diagnosis
2026 ICD-10-CM