ICD-10-CM · Chapter 1 · A00–B99
B27.8
Other infectious mononucleosis
Certain infectious and parasitic diseases
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- B27.8
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 1 — Certain infectious and parasitic diseases
- Category
- B27 — Infectious mononucleosis
- Specificity
- 4 characters
How coders use this code
ICD-10-CM B27.8 is a category (header) for other infectious mononucleosis. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in B27
- B27Infectious mononucleosis
- B27.0Gammaherpesviral mononucleosis
- B27.00Gammaherpesviral mononucleosis without complication
- B27.01Gammaherpesviral mononucleosis with polyneuropathy
- B27.02Gammaherpesviral mononucleosis with meningitis
- B27.09Gammaherpesviral mononucleosis with other complications
- B27.1Cytomegaloviral mononucleosis
- B27.10Cytomegaloviral mononucleosis without complications
- B27.11Cytomegaloviral mononucleosis with polyneuropathy
- B27.12Cytomegaloviral mononucleosis with meningitis
- B27.19Cytomegaloviral mononucleosis with other complication
- B27.80Other infectious mononucleosis without complication
- B27.81Other infectious mononucleosis with polyneuropathy
- B27.82Other infectious mononucleosis with meningitis
- B27.89Other infectious mononucleosis with other complication
Want to learn coding?
Master ICD-10-CM in 90 days.
Medita's 90-day curriculum is calibrated to the CPC (AAPC), CCA, and CCS (AHIMA) exam blueprints. Day 1 is free.