R79.1
Billable

Abnormal coagulation profile

Billable / Specific Code

What is Abnormal coagulation profile?

ICD-10-CM R79.1 is the diagnosis code for Abnormal coagulation profile. 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 billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1
â„šī¸ Excludes2

Coding Guidelines for R79.1

✅ This Code Includes

  • Abnormal or prolonged bleeding time
  • Abnormal or prolonged coagulation time
  • Abnormal or prolonged partial thromboplastin time [PTT]
  • Abnormal or prolonged prothrombin time [PT]
  • Low von Willebrand factor

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as R79.1. They are mutually exclusive:

  • coagulation defects (D68.-)

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in R79.1. If the patient has both, code each condition separately:

  • abnormality of fluid, electrolyte or acid-base balance (E86-E87)

ICD-10-CM Code Hierarchy

Understanding where R79.1 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is R79.1 a billable ICD-10-CM code?

Yes, R79.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does R79.1 mean?

R79.1 is the ICD-10-CM diagnosis code for "Abnormal coagulation profile". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of R79.1?

The parent code of R79.1 is R79 ("Other abnormal findings of blood chemistry"). R79.1 provides a more specific classification within this category.

What section is R79.1 in?

R79.1 is located in Section R70-R79 — "Abnormal findings on examination of blood, without diagnosis" within Chapter 18 of the ICD-10-CM Tabular List.

When should I use R79.1?

Use R79.1 when the patients documented diagnosis matches "Abnormal coagulation profile" 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 Abnormal coagulation profile?

The ICD-10-CM code for Abnormal coagulation profile is R79.1.

Can R79.1 be used for primary diagnosis?

Yes, R79.1 can be used as a primary diagnosis code since it is billable and specific.

What chapter is R79.1 in?

R79.1 is in Chapter 18 of the ICD-10-CM Tabular List.

What conditions are excluded from R79.1?

Type 1 Excludes for R79.1 include: coagulation defects (D68.-).

Is R79.1 valid for 2026?

Yes, R79.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousR79.0Abnormal level of blood mineralNext →R79.8Other specified abnormal findings of blood chemistry
Code Details
R79.1
Abnormal coagulation profile
Billable / 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