N18.2

Billable

Chronic kidney disease, stage 2 (mild)

Status

Billable / Specific

Chapter

14: Diseases of the Genitourinary System

Block

N17-N19

Parent Code

N18

Coding Notes

Excludes 2

Conditions not included here, but the patient may have both

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
congenital renal failure (P96.0)
drug- and heavy-metal-induced tubulo-interstitial and tubular conditions (N14.-)
extrarenal uremia (R39.2)
hemolytic-uremic syndrome (D59.3-)
hepatorenal syndrome (K76.7)
postpartum hepatorenal syndrome (O90.41)
posttraumatic renal failure (T79.5)
prerenal uremia (R39.2)
renal failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4)
renal failure following labor and delivery (O90.41)
renal failure postprocedural (N99.0)

Code First

The underlying condition must be sequenced before this code

any associated:
diabetic chronic kidney disease (E08.22, E09.22, E10.22, E11.22, E13.22)
hypertensive chronic kidney disease (I12.-, I13.-)

Use Additional Code

Additional codes that should follow this code

code to identify kidney transplant status, if applicable, (Z94.0)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Chronic kidney disease, stage 2 (mild)C1561639

Frequently Asked Questions

What is ICD-10 code N18.2?

ICD-10-CM code N18.2 represents "Chronic kidney disease, stage 2 (mild)". It is a billable/specific code that can be used on a claim.

Is N18.2 a billable code?

Yes, N18.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is N18.2 in?

N18.2 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).

Are additional codes required with N18.2?

Yes, when using N18.2 you should also code: code to identify kidney transplant status, if applicable, (Z94.0).

What SNOMED CT codes does N18.2 map to?

N18.2 maps to 19 SNOMED CT concepts: 36221001, 285061000119106, 431856006, 284961000119106, 284981000119102, and 14 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for N18.2?

N18.2 is linked to 1 UMLS Concept Unique Identifier: C1561639. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.