Chapter 18
Range: R00-R99
FY2027 Dataset
ICD-10-CM Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Symptoms such as cough, fever, pain, dizziness, and unconfirmed diagnostic findings.
Key Diagnosis Codes in Chapter 18
Verified against active FY2027 CDC NCHS code tables.
Showing active FY2027 codes
| Code | Official Descriptor | Status | Action |
|---|---|---|---|
| R00.0 |
Tachycardia, unspecified
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|
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| R00.1 |
Bradycardia, unspecified
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|
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| R00.2 |
Palpitations
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|
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| R00.8 |
Other abnormalities of heart beat
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|
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| R00.9 |
Unspecified abnormalities of heart beat
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|
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| R01.0 |
Benign and innocent cardiac murmurs
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|
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| R01.1 |
Cardiac murmur, unspecified
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|
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| R01.2 |
Other cardiac sounds
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|
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| R03.0 |
Elevated blood-pressure reading, w/o diagnosis of htn
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|
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| R03.1 |
Nonspecific low blood-pressure reading
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|
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| R04.0 |
Epistaxis
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|
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| R04.1 |
Hemorrhage from throat
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|
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| R04.2 |
Hemoptysis
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|
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| R04.81 |
Acute idiopathic pulmonary hemorrhage in infants
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|
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| R04.89 |
Hemorrhage from other sites in respiratory passages
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|
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| R04.9 |
Hemorrhage from respiratory passages, unspecified
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|
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| R05.1 |
Acute cough
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|
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| R05.2 |
Subacute cough
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|
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| R05.3 |
Chronic cough
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|
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| R05.4 |
Cough syncope
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|
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| R05.8 |
Other specified cough
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|
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| R05.9 |
Cough, unspecified
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|
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| R06.00 |
Dyspnea, unspecified
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|
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| R06.01 |
Orthopnea
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|
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| R06.02 |
Shortness of breath
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|
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| R06.03 |
Acute respiratory distress
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|
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| R06.09 |
Other forms of dyspnea
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|
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| R06.1 |
Stridor
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|
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| R06.2 |
Wheezing
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|
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| R06.3 |
Periodic breathing
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|
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| R06.4 |
Hyperventilation
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|
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| R06.5 |
Mouth breathing
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|
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| R06.6 |
Hiccough
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|
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| R06.7 |
Sneezing
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|
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| R06.81 |
Apnea, not elsewhere classified
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|
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| R06.82 |
Tachypnea, not elsewhere classified
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|
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| R06.83 |
Snoring
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|
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| R06.89 |
Other abnormalities of breathing
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|
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| R06.9 |
Unspecified abnormalities of breathing
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|
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| R07.0 |
Pain in throat
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|
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| R07.1 |
Chest pain on breathing
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|
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| R07.2 |
Precordial pain
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|
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| R07.81 |
Pleurodynia
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|
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| R07.82 |
Intercostal pain
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|
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| R07.89 |
Other chest pain
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|
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| R07.9 |
Chest pain, unspecified
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|
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| R09.01 |
Asphyxia
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|
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| R09.02 |
Hypoxemia
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|
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| R09.1 |
Pleurisy
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|
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| R09.2 |
Respiratory arrest
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|
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| R09.3 |
Abnormal sputum
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|
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| R09.81 |
Nasal congestion
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|
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| R09.82 |
Postnasal drip
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|
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| R09.89 |
Oth symptoms and signs involving the circ and resp systems
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|
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| R09.A0 |
Foreign body sensation, unspecified
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|
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| R09.A1 |
Foreign body sensation, nose
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|
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| R09.A2 |
Foreign body sensation, throat
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|
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| R09.A9 |
Foreign body sensation, other site
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|
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| R10.0 |
Acute abdomen
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|
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| R10.10 |
Upper abdominal pain, unspecified
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|
Billable Code | View Code |
| R10.11 |
Right upper quadrant pain
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|
Billable Code | View Code |
| R10.12 |
Left upper quadrant pain
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|
Billable Code | View Code |
| R10.13 |
Epigastric pain
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|
Billable Code | View Code |
| R10.20 |
Pelvic and perineal pain unspecified side
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|
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| R10.21 |
Pelvic and perineal pain right side
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|
Billable Code | View Code |
| R10.22 |
Pelvic and perineal pain left side
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|
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| R10.23 |
Pelvic and perineal pain bilateral
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|
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| R10.24 |
Suprapubic pain
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|
Billable Code | View Code |
| R10.30 |
Lower abdominal pain, unspecified
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|
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| R10.31 |
Right lower quadrant pain
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|
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| R10.32 |
Left lower quadrant pain
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|
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| R10.33 |
Periumbilical pain
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|
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| R10.811 |
Right upper quadrant abdominal tenderness
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|
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| R10.812 |
Left upper quadrant abdominal tenderness
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|
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| R10.813 |
Right lower quadrant abdominal tenderness
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|
Billable Code | View Code |
| R10.814 |
Left lower quadrant abdominal tenderness
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|
Billable Code | View Code |
| R10.815 |
Periumbilic abdominal tenderness
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|
Billable Code | View Code |
| R10.816 |
Epigastric abdominal tenderness
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|
Billable Code | View Code |
| R10.817 |
Generalized abdominal tenderness
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|
Billable Code | View Code |
| R10.819 |
Abdominal tenderness, unspecified site
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|
Billable Code | View Code |
| R10.821 |
Right upper quadrant rebound abdominal tenderness
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|
Billable Code | View Code |
| R10.822 |
Left upper quadrant rebound abdominal tenderness
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|
Billable Code | View Code |
| R10.823 |
Right lower quadrant rebound abdominal tenderness
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|
Billable Code | View Code |
| R10.824 |
Left lower quadrant rebound abdominal tenderness
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|
Billable Code | View Code |
| R10.825 |
Periumbilic rebound abdominal tenderness
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|
Billable Code | View Code |
| R10.826 |
Epigastric rebound abdominal tenderness
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|
Billable Code | View Code |
| R10.827 |
Generalized rebound abdominal tenderness
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|
Billable Code | View Code |
| R10.829 |
Rebound abdominal tenderness, unspecified site
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|
Billable Code | View Code |
| R10.83 |
Colic
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|
Billable Code | View Code |
| R10.84 |
Generalized abdominal pain
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|
Billable Code | View Code |
| R10.85 |
Abdominal pain of multiple sites
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|
Billable Code | View Code |
| R10.8A1 |
Right flank tenderness
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|
Billable Code | View Code |
| R10.8A2 |
Left flank tenderness
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|
Billable Code | View Code |
| R10.8A3 |
Suprapubic tenderness
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|
Billable Code | View Code |
| R10.8A9 |
Flank tenderness, unspecified
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|
Billable Code | View Code |
| R10.9 |
Unspecified abdominal pain
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|
Billable Code | View Code |
| R10.A0 |
Flank pain, unspecified side
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|
Billable Code | View Code |
| R10.A1 |
Flank pain, right side
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|
Billable Code | View Code |
| R10.A2 |
Flank pain, left side
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|
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| R10.A3 |
Flank pain, bilateral
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|
Billable Code | View Code |
Chapter Guidelines
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Related Coding Tools
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