ICD-10 Code for Jaundice in Adults

Jaundice is not a disease in itself, but rather a visible clinical sign indicating an underlying physiological imbalance. Characterized by a distinct yellowish discoloration of the skin, mucous membranes, and the sclera (the whites of the eyes), this condition arises from the systemic accumulation of bilirubin, a yellowish-orange pigment produced during the normal breakdown of red blood cells.

In adult populations, the manifestation of jaundice always warrants a comprehensive medical evaluation. Unlike neonatal jaundice, which is frequently benign and transient due to an immature liver, adult jaundice typically points to a pathology within the hepatobiliary system, hemolytic disorders, or metabolic disruptions.

For medical coders, billers, and healthcare providers, accurately documenting and translating this clinical sign into the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) system is vital. Precise coding ensures seamless clinical communication, accurate statistical tracking of diseases, and appropriate financial reimbursement for diagnostic and therapeutic procedures.

ICD-10 Code for Jaundice in Adults

Table of Contents

The Primary ICD-10 Code for Jaundice in Adults

When a clinician documents jaundice in an adult patient without specifying the exact underlying etiology or anatomic location of the cause, medical coders must fall back on the most direct clinical sign code.

R17: Jaundice, Unspecified

The primary, definitive ICD-10-CM code for adult jaundice when no further diagnostic specification is available is R17.

Code Description: Jaundice, unspecified
Chapter: Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Subchapter: Symptoms and signs involving the digestive system and abdomen (R10-R19)

Clinical Parameters of R17

Code R17 is an unspecified code. In the realm of professional medical coding, you should only assign this code when the medical documentation states that the patient has jaundice, but the physician has not yet determined, or has not documented, the specific cause (such as hepatitis, gallstones, or cirrhosis).

Exclusions and Coding Notes

The ICD-10-CM official guidelines place specific boundaries around the use of R17. Most notably, this code features an Excludes1 note for specific forms of jaundice:

Neonatal Jaundice (P55-P59): Jaundice arising in the perinatal period must never be coded using R17.
Hereditary Hemolytic Anemias (D55-D59): If the jaundice is a direct symptom of an inherited hemolytic disorder, code the primary blood disorder instead.

Deep Dive: Categorizing Jaundice by Etiology

To move beyond the unspecified code R17, a healthcare provider must identify the anatomical or functional source of the elevated bilirubin. Adult jaundice is classified into three distinct categories: pre-hepatic, intra-hepatic, and post-hepatic.

                  [Total Bilirubin Accumulation]
                                |
       ---------------------------------------------------
       |                        |                        |
 [Pre-Hepatic]            [Intra-Hepatic]          [Post-Hepatic]
  Overproduction           Liver Cell Damage        Biliary Obstruction
  (Hemolysis/Anemia)       (Hepatitis/Cirrhosis)    (Gallstones/Tumors)

1. Pre-Hepatic Jaundice (Hemolytic)

Pre-hepatic jaundice occurs when an pathology outside the liver causes an accelerated destruction of red blood cells (hemolysis). This rapid breakdown overwhelms the liver’s capacity to conjugate bilirubin, leading to a significant rise in unconjugated (indirect) bilirubin in the bloodstream.

Common Causes and Their Corresponding ICD-10 Codes:

D59.1: Other autoimmune hemolytic anemias
D56.1: Beta thalassemia
D57.00: Hb-SS disease with crisis, unspecified
B50.8: Other severe plasmodium falciparum malaria (malaria-induced hemolysis)

2. Intra-Hepatic Jaundice (Hepatocellular)

Intra-hepatic jaundice signifies that the primary pathology resides within the liver parenchyma itself. Damage to the hepatocytes (liver cells) compromises their ability to uptake, conjugate, or excrete bilirubin. This often results in a mixed elevation of both conjugated and unconjugated bilirubin.

Common Causes and Their Corresponding ICD-10 Codes:

B15.9: Hepatitis A without hepatic coma
B16.9: Acute hepatitis B without delta-agent without hepatic coma
B17.10: Acute hepatitis C without hepatic coma
K74.60: Unspecified cirrhosis of liver
K70.30: Alcoholic cirrhosis of liver without ascites
K71.0: Toxic liver disease with cholestasis (drug-induced liver injury)

3. Post-Hepatic Jaundice (Obstructive)

Post-hepatic jaundice, frequently referred to as obstructive jaundice or cholestatic jaundice, occurs when the mechanical flow of bile from the liver cells through the biliary tree into the duodenum is blocked. This causes conjugated (direct) bilirubin to reflux into the bloodstream.

Common Causes and Their Corresponding ICD-10 Codes:

K80.20: Calculus of gallbladder without cholecystitis without obstruction
K80.50: Calculus of bile duct without cholangitis or cholecystitis without obstruction
C25.0: Malignant neoplasm of head of pancreas (extrinsic compression of the common bile duct)
K83.1: Biliary obstruction (strictures, narrowing)
K81.0: Acute cholecystitis

Comprehensive ICD-10-CM Coding Reference Table

The following comparative reference table outlines the various clinical manifestations of jaundice and related hepatobiliary symptoms alongside their definitive ICD-10-CM codes.

Clinical Presentation / Diagnosis	Primary ICD-10 Code	Code Status / Type	Clinical Applicability Notes
Jaundice, Unspecified	R17	Allowed / Sign	Use only for adult patients when the root cause of the jaundice is completely undocumented or unknown.
Acholuric Jaundice (Familial)	D55.0	Allowed / Disease	Pertains to hereditary spherocytosis or glucose-6-phosphate dehydrogenase (G6PD) deficiency states.
Chronic Idiopathic Jaundice	E80.6	Allowed / Metabolic	Applies directly to verified metabolic syndromes such as Dubin-Johnson syndrome or Rotor syndrome.
Gilbert’s Syndrome	E80.4	Allowed / Metabolic	A benign, genetic liver disorder causing mild, intermittent elevations of unconjugated bilirubin.
Crigler-Najjar Syndrome	E80.5	Allowed / Metabolic	A rare, severe genetic disorder affecting the glucuronosyltransferase enzyme system.
Obstructive Jaundice	K83.1	Allowed / Symptom	Use when documentation specifies a mechanical block in the bile ducts but the cause of the block is omitted.
Postprocedural Jaundice	K91.89	Allowed / Complication	For cases where jaundice manifests as a direct complication following a surgical intervention.
Hepatomegaly with Jaundice	R16.0 + R17	Dual Coding Required	Code both the enlarged liver and the jaundice if the definitive underlying diagnosis is still pending.
Icterus Gravis in Adults	K72.00	Allowed / Disease	Severe, acute hepatic failure with encephalopathy; do not use R17 if acute liver failure is established.

Pathophysiology of Adult Jaundice

To document and code jaundice accurately, one must grasp the biological journey of bilirubin. Bilirubin production and clearance follow a structured three-phase pathway.

[Senescent Red Blood Cells]
            │
            ▼ (Reticuloendothelial System)
   [Unconjugated Bilirubin]  <--- (Water-insoluble; binds to albumin)
            │
            ▼ (Hepatic Uptake)
   [Liver Hepatocytes]       <--- (Conjugation via UGT1A1 enzyme)
            │
            ▼
     [Conjugated Bilirubin]  <--- (Water-soluble; excreted into bile)
            │
            ▼ (Biliary Tree)
 [Duodenum / Intestine]      <--- (Conversion to urobilinogen)
            │
    -----------------
    │               │
    ▼               ▼
[Stercobilin]  [Urobilin]
 (Feces)         (Urine)

Bilirubin Metabolism Step-by-Step

Production: Red blood cells reach the end of their roughly 120-day lifespan and are broken down in the spleen, liver, and bone marrow. The heme molecule from hemoglobin is converted first into biliverdin and then into unconjugated (indirect) bilirubin.
Transport: Unconjugated bilirubin is lipid-soluble and water-insoluble. It must bind tightly to serum albumin to travel safely through the bloodstream to the liver.
Conjugation: Once inside the hepatocytes, the enzyme uridine diphosphate-glucuronosyltransferase (UGT1A1) attaches glucuronic acid molecules to the bilirubin. This process transforms it into conjugated (direct) bilirubin, making it highly water-soluble.
Excretion: The liver secretes conjugated bilirubin into the bile canaliculi. It flows through the hepatic ducts, accumulates in the gallbladder, and passes through the common bile duct into the duodenum. In the intestinal tract, bacterial enzymes convert it into urobilinogen, which is excreted either in feces as stercobilin (giving stool its brown color) or via the kidneys as urobilin (giving urine its yellow color).

Diagnostic Thresholds

In healthy adult populations, normal total serum bilirubin levels typically range between 0.2 mg/dL and 1.2 mg/dL. Clinical jaundice (visible yellowing of the tissue) generally becomes apparent to the naked eye only when total serum bilirubin levels exceed 2.5 to 3.0 mg/dL. The earliest site of visible icterus is almost always the ocular sclera, due to its high elastic tissue content, which has a natural affinity for bilirubin.

Clinical Documentation Improvement (CDI) for Jaundice

Clinical Documentation Improvement (CDI) serves as the bridge between clinical care and precise medical coding. When a physician simply records “jaundice” in the progress notes or discharge summary, they limit the coding team to the non-specific code R17. This can obscure the patient’s true acuity level and negatively affect institutional quality metrics.

“A medical record should not merely catalog symptoms; it must explicitly narrate the diagnostic journey. Documenting the specific mechanism of jaundice transforms a simple sign code into an accurate clinical picture.”

— Executive Director, Association of Clinical Documentation Integrity Specialists

Key Clinical Information to Capture

To elevate the specificity of medical documentation for adult jaundice, clinicians should explicitly detail the following clinical characteristics:

Type of Bilirubinemia: Specify whether the lab findings indicate predominantly conjugated (direct) or unconjugated (indirect) hyperbilirubinemia.
Anatomical Source: Clearly state whether the condition is suspected or confirmed to be pre-hepatic, intra-hepatic, or post-hepatic.
Specific Mechanical Causes: If an obstruction is present, clarify if it is caused by cholelithiasis (gallstones), choledocholithiasis, a biliary stricture, or an extrinsic tumor/mass.
Toxic Exposure: Explicitly link the jaundice to any offending drugs, herbal supplements, or toxic agents (e.g., “toxic hepatitis secondary to acetaminophen overdose”).
Associated Manifestations: Document comorbid signs like portal hypertension, ascites, hepatic encephalopathy, or pruritus (severe itching).

ICD-10-CM Coding Rules and Guidelines

Navigating the ICD-10-CM manual requires strict adherence to seasonal updates, chapter-specific guidelines, and instructional notes. Coding adult jaundice involves several foundational rules.

The “Symptom vs. Definitive Diagnosis” Rule

According to the ICD-10-CM Official Guidelines for Coding and Reporting (Section I.B.4), codes that describe symptoms and signs are acceptable when a definitive diagnosis has not been established by the provider.

Scenario A: An adult patient presents with scleral icterus and generalized jaundice. Workup reveals acute viral Hepatitis A.
- Coding Action: Assign only code B15.9 (Hepatitis A without hepatic coma). Do not assign code R17, because jaundice is an inherent symptom of acute hepatitis.
Scenario B: An adult patient presents with abdominal pain and marked jaundice. Labs show high bilirubin, but the patient leaves against medical advice (AMA) before imaging or biopsies can isolate the root cause.
- Coding Action: Assign code R17 as the principal diagnosis along with the code for abdominal pain (R10.9). Here, the symptom remains the highest level of diagnostic certainty.

Sequencing Guidelines

If jaundice is documented alongside an underlying cause during an inpatient stay, and both require therapeutic management, sequence the underlying etiology first. If the patient is admitted solely to manage an acute manifestation of a chronic symptom (such as severe, intractable pruritus caused by obstructive jaundice), the sequencing may alter based on the specific circumstances of admission.

Step-by-Step Guide to Coding Jaundice in Adults

Follow this structured approach to ensure compliance and accuracy when evaluating a chart for adult jaundice:

1.Review the Complete Medical Record :Step 1.

Examine the emergency department notes, history and physical (H&P), laboratory panels, radiology reports (ultrasound, CT, MRCP), and final discharge summary.

2.Isolate the Total, Direct, and Indirect Bilirubin Labs :Step 2.

Confirm that the total serum bilirubin meets clinical criteria for hyperbilirubinemia. Identify if the elevation is predominantly conjugated or unconjugated to cross-verify the physician’s clinical statements.

3.Search for an Established Underlying Etiology :Step 3.

Determine if the physician has linked the jaundice to a definitive condition. Look for diagnoses such as gallstones, cirrhosis, pancreatic cancer, or drug-induced liver injury.

4.Check for ICD-10-CM Excludes1 Notes :Step 4.

If an underlying cause is documented, verify if it is listed under the Excludes1 note for code R17. If it is excluded, you cannot assign R17.

5.Select and Assign the Final Codes :Step 5.

If the cause is unknown, assign R17. If the cause is known, assign the specific disease code (e.g., K80.50 for choledocholithiasis) as the primary code, and consider whether secondary symptom codes are necessary based on institutional guidelines.

Frequently Asked Questions (FAQ)

What is the difference between coding neonatal jaundice and adult jaundice?

Neonatal jaundice is coded using category P55-P59 (Jaundice specific to the perinatal period), which is found in Chapter 16 of the ICD-10-CM manual. Adult jaundice is coded using R17 (or its underlying disease codes) from Chapter 18. Never use an R-series code for a newborn’s jaundice, and never use a P-series code for an adult patient.

Can R17 be used as a principal diagnosis on an inpatient insurance claim?

Yes, R17 can serve as a principal diagnosis, but only if the patient was admitted for the investigation of jaundice and discharged without a definitive diagnosis being established. If a root cause is discovered before discharge, that underlying condition must be sequenced as the principal diagnosis instead.

How do I code jaundice that is directly caused by a medication or drug?

If an adult patient develops jaundice due to an adverse effect of a correctly prescribed and properly administered medication, assign the code for the resulting condition (e.g., K71.0 Toxic liver disease with cholestasis) followed by the appropriate adverse effect code from the T36-T50 series (e.g., T39.015A for adverse effect of aspirin).

What ICD-10 code should I use for “scleral icterus”?

Scleral icterus is a clinical manifestation of jaundice seen in the eyes. In the ICD-10-CM alphabetic index, indexing “Icterus” or “Scleral icterus” leads directly to code R17. Therefore, unless an underlying cause is known, scleral icterus maps directly to R17.

Additional Resources

For healthcare organizations, clinical documentation specialists, and medical coders looking to further improve their coding accuracy and diagnostic tracking for hepatobiliary diseases, the following institutional resources provide excellent guidance:

CMS ICD-10-CM Official Guidelines for Coding and Reporting: Updated annually by the Centers for Medicare & Medicaid Services, this document provides the absolute legal and procedural framework for code sequencing and selection.
The American Health Information Management Association (AHIMA) Practice Briefs: Offers clinical scenarios, coding exercises, and deep dives into symptom coding versus definitive diagnosis coding.
The American Association for the Study of Liver Diseases (AASLD) Practice Guidelines: Excellent clinical reference for documentation improvement teams to understand the diagnostic parameters of hepatocellular versus cholestatic liver injuries.

Conclusion

The correct ICD-10-CM code for unspecified jaundice in adults is R17. However, whenever an underlying cause like hepatitis, cirrhosis, or biliary obstruction is diagnosed, that specific definitive condition must be coded instead of the non-specific sign. Accurate clinical documentation and strict adherence to official sequencing guidelines remain essential for precise medical billing and high-quality patient data tracking.

Date: June 4, 2026

Author: Professional Medical Coding & SEO Content Specialist

Disclaimer: The clinical and medical coding information provided in this article is intended solely for educational and informational purposes. While every effort has been made to ensure accuracy in accordance with current ICD-10-CM coding manuals and clinical standards as of 2026, healthcare providers and professional coders should always consult the official CMS/NCHS guidelines, current code books, and institutional compliance policies before finalizing any clinical documentation or insurance claims. Patient care decisions should be made by qualified medical professionals based on comprehensive clinical evaluations.

ICD-10 Code for Jaundice in Adults