Is ICD-10-CM code R78.72 billable?

Yes, R78.72 (Abnormal gadolinium level in blood) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2027.

What chapter does ICD-10-CM code R78.72 belong to?

R78.72 belongs to Chapter 18 of the ICD-10-CM tabular list: R00–R99 (Symptoms, Signs and Abnormal Clinical and Laboratory Findings).

Is R78.72 a new ICD-10-CM code for 2027?

Yes, R78.72 was added or revised in the FY2027 ICD-10-CM update, effective October 1, 2026, as published by the Centers for Medicare and Medicaid Services (CMS).

R78.72Billable, valid for claims from October 1, 2026New for FY2027

Abnormal gadolinium level in blood

Under R78.7 Finding of abnormal level of heavy metals in blood, in Abnormal findings on examination of blood, without diagnosis (R70-R79), chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings

R78.72 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under R78.7 below.
As a secondary diagnosis it is not a CC or MCC, so it doesn't raise the MS-DRG payment.

Also indexed as: Findings, in blood, gadolinium level

Instructional notes

Excludes1: not coded here, use a different code

toxic effect of gadolinium (T56.82-)

Also applies, from R78: Findings of drugs and other substances, not normally found in blood

These notes sit on R78 and apply to every code under it, including R78.72.

Excludes2: not included here, code separately if applicable

mental or behavioral disorders due to psychoactive substance use (F10-F19)

Use additional code: add a second code for this, listed after this one

code to identify any retained foreign body, if applicable (Z18.-)

Also applies, from Abnormal findings on examination of blood, without diagnosis (R70-R79)

These notes sit on R70-R79 and apply to every code under it, including R78.72.

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)

Other codes under R78.7

Finding of abnormal level of heavy metals in blood

R78.71Abnormal lead level in blood
R78.72Abnormal gadolinium level in blood(this code)
R78.79Finding of abnormal level of heavy metals in blood

MS-DRGs

As the principal diagnosis, this code groups to these MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Laboratory Tests

Laboratory tests check a sample of your blood, urine, or body tissues. A technician or your doctor analyzes the test samples to see if your results fall within the normal range. The tests use a range because what is normal differs from person to person. Many factors affect test results. These include:

Code history

Added in FY2027 (effective October 1, 2026). Before that, these cases were coded as R78.79 (Finding of abnormal level of heavy metals in blood). No changes since.